Citation analysis using online databases: Feasibilities and shortcomings. - Werner Marx; Hermann Schier; Michael Wanitschek (Scientometrics, 2001)

Convergent validity of bibliometric Google Scholar data in the field of chemistry - Citation counts for papers that were accepted by Angewandte Chemie International Edition or rejected but published elsewhere, using Google Scholar, Science Citation Index, Scopus, and Chemical Abstracts. - Lutz Bornmann; Werner Marx; Hermann Schier; Erhard Rahm; Andreas Thor; Hans-Dieter Daniel (J. Informetrics, 2009)

Is interactive open access publishing able to identify high-impact submissions? A study on the predictive validity of Atmospheric Chemistry and Physics by using percentile rank classes. - Lutz Bornmann; Hermann Schier; Werner Marx; Hans-Dieter Daniel (J. Assoc. Inf. Sci. Technol., 2011)

Does the h index for assessing single publications really work? A case study on papers published in chemistry. - Lutz Bornmann; Hermann Schier; Werner Marx; Hans-Dieter Daniel (Scientometrics, 2011)

What factors determine citation counts of publications in chemistry besides their quality? - Lutz Bornmann; Hermann Schier; Werner Marx; Hans-Dieter Daniel (J. Informetrics, 2012)

The application of bibliometrics to research evaluation in the humanities and social sciences: An exploratory study using normalized Google Scholar data for the publications of a research institute. - Lutz Bornmann; Andreas Thor; Werner Marx; Hermann Schier (J. Assoc. Inf. Sci. Technol., 2016)

Proposal of a minimum constraint for indicators based on means or averages. - Robin Haunschild; Hermann Schier; Lutz Bornmann (J. Informetrics, 2016)

Algorithmically generated subject categories based on citation relations: An empirical micro study using papers on overall water splitting and related topics. - Robin Haunschild; Hermann Schier; Lutz Bornmann (CoRR, 2017)

Algorithmically generated subject categories based on citation relations: An empirical micro study using papers on overall water splitting. - Robin Haunschild; Hermann Schier; Werner Marx; Lutz Bornmann (J. Informetrics, 2018)