Assessing multidisciplinary areas of science and technology: A synthetic bibliometric study of Dutch nuclear energy research. - Thed N. van Leeuwen; Robert J. W. Tijssen (Scientometrics, 1993)

Improving the Accuracy of Institute for Scientific Informations's Journal Impact Factors. - Henk F. Moed; Thed N. van Leeuwen (J. Am. Soc. Inf. Sci., 1995)

New bibliometric tools for the assessment of national research performance: Database description, overview of indicators and first applications. - Henk F. Moed; Renger E. de Bruin; Thed N. van Leeuwen (Scientometrics, 1995)

On generalising scientometric journal mapping beyond ISI's journal and citation databases. - Robert J. W. Tijssen; Thed N. van Leeuwen (Scientometrics, 1995)

A critical analysis of the journal impact factors ofAngewandte Chemie and the journal of the American Chemical Society inaccuracies in published impact factors based on overall citations only. - Henk F. Moed; Thed N. van Leeuwen; Jan Reedijk (Scientometrics, 1996)

A new classification system to describe the ageing of scientific journals and their impact factors. - Henk F. Moed; Thed N. van Leeuwen; Jan Reedijk (J. Documentation, 1998)

Critical comments on Institute for Scientific Information impact factors: a sample of inorganic molecular chemistry journals. - Thed N. van Leeuwen; Henk F. Moed; Jan Reedijk (J. Inf. Sci., 1999)

Towards appropriate indicators of journal impact. - Henk F. Moed; Thed N. van Leeuwen; Jan Reedijk (Scientometrics, 1999)

Technological Relevance of Science: An Assessment of Citation Linkages between Patents and Research Papers. - R. J. W. Tussen; R. K. Buter; Thed N. van Leeuwen (Scientometrics, 2000)

Language biases in the coverage of the Science Citation Index and its consequencesfor international comparisons of national research performance. - Thed N. van Leeuwen; Henk F. Moed; Robert J. W. Tijssen; Martijn S. Visser; Anthony F. J. van Raan (Scientometrics, 2001)

Citation delay in interdisciplinary knowledge exchange. - Ed J. Rinia; Thed N. van Leeuwen; Eppo E. W. Bruins; Hendrik G. van Vuren; Anthony F. J. van Raan (Scientometrics, 2001)

Development and application of journal impact measures in the Dutch science system. - Thed N. van Leeuwen; Henk F. Moed (Scientometrics, 2002)

Measuring knowledge transfer between fields of science. - Ed J. Rinia; Thed N. van Leeuwen; Eppo E. W. Bruins; Hendrik G. van Vuren; Anthony F. J. van Raan (Scientometrics, 2002)

Impact measures of interdisciplinary research in physics. - Ed J. Rinia; Thed N. van Leeuwen; Anthony F. J. van Raan (Scientometrics, 2002)

Benchmarking international scientific excellence: Are highly cited research papers an appropriate frame of reference? - Robert J. W. Tijssen; Martijn S. Visser; Thed N. van Leeuwen (Scientometrics, 2002)

The Holy Grail of science policy: Exploring and combining bibliometric tools in search of scientific excellence. - Thed N. van Leeuwen; Martijn S. Visser; Henk F. Moed; Anton J. Nederhof; Anthony F. J. van Raan (Scientometrics, 2003)

Characteristics of journal impact factors: The effects of uncitedness and citation distribution on the understanding of journal impact factors. - Thed N. van Leeuwen; Henk F. Moed (Scientometrics, 2005)

The application of bibliometric analyses in the evaluation of social science research. Who benefits from it, and why it is still feasible. - Thed N. van Leeuwen (Scientometrics, 2006)

Scientific capabilities and technological performance of national innovation systems: An exploration of emerging industrial relevant research domains. - Bart Van Looy; Koenraad Debackere; Julie Callaert; Robert J. W. Tijssen; Thed N. van Leeuwen (Scientometrics, 2006)

Measuring impacts of academic science on industrial research: A citation-based approach. - Robert J. W. Tijssen; Thed N. van Leeuwen (Scientometrics, 2006)

Research cooperation within the bio-pharmaceutical industry: Network analyses of co-publications within and between firms. - Clara Calero; Thed N. van Leeuwen; Robert J. W. Tijssen (Scientometrics, 2007)

Scaling rules in the science system: Influence of field-specific citation characteristics on the impact of individual researchers. - Rodrigo Costas 001; María Bordons; Thed N. van Leeuwen; Anthony F. J. van Raan (J. Assoc. Inf. Sci. Technol., 2009)

Strength and weakness of national science systems: A bibliometric analysis through cooperation patterns. - Thed N. van Leeuwen (Scientometrics, 2009)

A bibliometric classificatory approach for the study and assessment of research performance at the individual level: The effects of age on productivity and impact. - Rodrigo Costas 001; Thed N. van Leeuwen; María Bordons (J. Assoc. Inf. Sci. Technol., 2010)

Is scientific literature subject to a 'Sell-By-Date'? A general methodology to analyze the 'durability' of scientific documents. - Rodrigo Costas 001; Thed N. van Leeuwen; Anthony F. J. van Raan (J. Assoc. Inf. Sci. Technol., 2010)

Rivals for the crown: Reply to Opthof and Leydesdorff. - Anthony F. J. van Raan; Thed N. van Leeuwen; Martijn S. Visser; Nees Jan van Eck; Ludo Waltman (J. Informetrics, 2010)

Self-citations at the meso and individual levels: effects of different calculation methods. - Rodrigo Costas 001; Thed N. van Leeuwen; María Bordons (Scientometrics, 2010)

Highly cited non-journal publications in political science, economics and psychology: a first exploration. - Anton J. Nederhof; Thed N. van Leeuwen; Anthony F. J. van Raan (Scientometrics, 2010)

Book reviews in humanities research evaluations. - Alesia A. Zuccala; Thed N. van Leeuwen (J. Assoc. Inf. Sci. Technol., 2011)

Towards a new crown indicator: Some theoretical considerations. - Ludo Waltman; Nees Jan van Eck; Thed N. van Leeuwen; Martijn S. Visser; Anthony F. J. van Raan (J. Informetrics, 2011)

The "Mendel syndrome" in science: durability of scientific literature and its effects on bibliometric analysis of individual scientists. - Rodrigo Costas 001; Thed N. van Leeuwen; Anthony F. J. van Raan (Scientometrics, 2011)

Severe language effect in university rankings: particularly Germany and France are wronged in citation-based rankings. - Anthony F. J. van Raan; Thed N. van Leeuwen; Martijn S. Visser (Scientometrics, 2011)

Towards a new crown indicator: an empirical analysis. - Ludo Waltman; Nees Jan van Eck; Thed N. van Leeuwen; Martijn S. Visser; Anthony F. J. van Raan (Scientometrics, 2011)

On the correlation between bibliometric indicators and peer review: reply to Opthof and Leydesdorff. - Ludo Waltman; Nees Jan van Eck; Thed N. van Leeuwen; Martijn S. Visser; Anthony F. J. van Raan (Scientometrics, 2011)

Seed journal citation network maps: A method based on network theory. - Clara Calero-Medina; Thed N. van Leeuwen (J. Assoc. Inf. Sci. Technol., 2012)

Approaching the "reward triangle": General analysis of the presence of funding acknowledgments and "peer interactive communication" in scientific publications. - Rodrigo Costas 001; Thed N. van Leeuwen (J. Assoc. Inf. Sci. Technol., 2012)

Referencing patterns of individual researchers: Do top scientists rely on more extensive information sources? - Rodrigo Costas 001; Thed N. van Leeuwen; María Bordons (J. Assoc. Inf. Sci. Technol., 2012)

The Leiden ranking 2011/2012: Data collection, indicators, and interpretation. - Ludo Waltman; Clara Calero-Medina; Joost Kosten; Ed C. M. Noyons; Robert J. W. Tijssen; Nees Jan van Eck; Thed N. van Leeuwen; Anthony F. J. van Raan; Martijn S. Visser; Paul Wouters (J. Assoc. Inf. Sci. Technol., 2012)

Discussing some basic critique on Journal Impact Factors: revision of earlier comments. - Thed N. van Leeuwen (Scientometrics, 2012)

Some modifications to the SNIP journal impact indicator. - Ludo Waltman; Nees Jan van Eck; Thed N. van Leeuwen; Martijn S. Visser (J. Informetrics, 2013)

The changing role of museums in the global scientific landscape. - Thed N. van Leeuwen; Leo Kriegsman; Jan van Tol; Joost Schokkenbroek (J. Sci. Res., 2013)

The role of editorial material in bibliometric research performance assessments. - Thed N. van Leeuwen; Rodrigo Costas 001; Clara Calero-Medina; Martijn S. Visser (Scientometrics, 2013)

The effect of booming countries on changes in the relative specialization index (RSI) on country level. - Dag W. Aksnes; Thed N. van Leeuwen; Gunnar Sivertsen (Scientometrics, 2014)

Outlining the Scientific Activity Profile of Researchers in the Social Sciences and Humanities in Spain: The Case of CSIC. - Adrián A. Díaz-Faes; María Bordons; Thed N. van Leeuwen; Ma Purificación Galindo (ISSI, 2015)

Open Access Publishing and Citation Impact - An International Study. - Thed N. van Leeuwen; Clifford Tatum; Paul Wouters (ISSI, 2015)

SSH & the City. A Network Approach for Tracing the Societal Contribution of the Social Sciences and Humanities for Local Development. - Nicolás Robinson-García; Thed N. van Leeuwen; Ismael Ràfols (CoRR, 2016)

Bibliometric analysis of output and impact based on CRIS data: a case study on the registered output of a Dutch university. - Thed N. van Leeuwen; Erik Van Wijk; Paul F. Wouters (Scientometrics, 2016)

Analysis of Publications on Journal Impact Factor Over Time. - Thed N. van Leeuwen; Paul F. Wouters (Frontiers Res. Metrics Anal., 2017)

Developing indicators on Open Access by combining evidence from diverse data sources. - Thed N. van Leeuwen; Ingeborg Meijer; Alfredo Yegros-Yegros; Rodrigo Costas 001 (CoRR, 2018)

How does undone science get funded? A bibliometric analysis linking rare diseases publications to national and European funding sources. - Alex Rushforth; Alfredo Yegros-Yegros; Philippe Mongeon; Thed N. van Leeuwen (CoRR, 2018)

Unbundling Open Access dimensions: a conceptual discussion to reduce terminology inconsistencies. - Alberto Martín-Martín; Rodrigo Costas 001; Thed N. van Leeuwen; Emilio Delgado López-Cózar (CoRR, 2018)

Exploring possibilities to use bibliometric data to monitor gold open access publishing at the national level. - Thed N. van Leeuwen; Clifford Tatum; Paul F. Wouters (J. Assoc. Inf. Sci. Technol., 2018)

Measuring Research: What Everyone Needs to Know, Cassidy R. Sugimoto, Vincent Larivière, Oxford University Press (2018). - Thed N. van Leeuwen (J. Informetrics, 2018)

Evidence of open access of scientific publications in Google Scholar: A large-scale analysis. - Alberto Martín-Martín; Rodrigo Costas 001; Thed N. van Leeuwen; Emilio Delgado López-Cózar (J. Informetrics, 2018)

Models of parenting and its effect on academic productivity: Preliminary results from an international survey. - Gemma E. Derrick; Adam Jaeger; Pei-Ying Chen; Cassidy R. Sugimoto; Thed N. van Leeuwen; Vincent Larivière (ISSI, 2019)

Research performance measurement of universities in the R-Quest countries under various OA mandates. - Thed N. van Leeuwen; Jesper W. Schneider (ISSI, 2019)

Has the 2008 Global Financial Crisis a lasting impact on universities and public research institutes in the European Union? - Marc Luwel; Thed N. van Leeuwen (ISSI, 2019)

Indicators of Open Access for universities. - Nicolás Robinson-García; Rodrigo Costas 001; Thed N. van Leeuwen (ISSI, 2019)

Towards a multidimensional valuation model of scientists. - Nicolás Robinson-García; Rodrigo Costas 001; Thed N. van Leeuwen; Tina Nane (ISSI, 2019)

An empirical investigation of the tribes and their territories: Are research specialisms rural and urban? - Giovanni Colavizza; Thomas Franssen; Thed N. van Leeuwen (J. Informetrics, 2019)

Examining national citation impact by comparing developments in a fixed and a dynamic journal set. - Jesper W. Schneider; Thed N. van Leeuwen; Martijn S. Visser; Kaare Aagaard (Scientometrics, 2019)

State of Open Access penetration in universities worldwide. - Nicolás Robinson-García; Rodrigo Costas 001; Thed N. van Leeuwen (CoRR, 2020)

Freeloading in biomedical research. - Maarten P. Rozing; Thed N. van Leeuwen; P. H. Reitsma; F. R. Rosendaal; N. A. Aziz (Scientometrics, 2020)

The academic motherload: Models of parenting engagement and the effect on academic productivity and performance. - Gemma E. Derrick; Pei-Ying Chen; Thed N. van Leeuwen; Vincent Larivière; Cassidy R. Sugimoto (CoRR, 2021)

Exploring the relevance of ORCID as a source of study of data sharing activities at the individual-level: a methodological discussion. - Andrea Sixto-Costoya; Nicolás Robinson-García; Thed N. van Leeuwen; Rodrigo Costas 001 (Scientometrics, 2021)

The quantification of open scholarship - a mapping review. - Verena Weimer; Tamara Heck; Thed N. van Leeuwen; Marc Rittberger (Quant. Sci. Stud., 2023)

Retraction of Predatory publishing in Scopus: evidence on cross-country differences lacks justification. - Giovanni Abramo; Isidro F. Aguillo; Dag W. Aksnes; Kevin W. Boyack; Quentin L. Burrell; Juan Miguel Campanario; Zaida Chinchilla-Rodríguez; Rodrigo Costas 001; Ciriaco Andrea D'Angelo; Anne-Wil Harzing; Hamid R. Jamali 001; Vincent Larivière; et al. (Scientometrics, 2023)