Ein Verfahren zur Optimierung von Nachrichtenübertragungsnetzen mit Mehrwegeführung. - Klaus-Dieter Hackbarth (Z. Oper. Research, 1983)

Ein Verfahren und dessen Implementierung zur langfristigen Planung von Nachrichtenübertragungsnetzen mit Mehrwegeführung. - Klaus-Dieter Hackbarth (1985)

Implications of the ISDN-Concept on Telecommunication Network Planning. - Klaus-Dieter Hackbarth (Comput. Networks, 1987)

REFORMA - a tool based on PC for telecom network optimization. - Klaus-Dieter Hackbarth; Fátima García Ayllón (Eur. Trans. Telecommun., 1992)

Didero 3G A Strategic Network Planning Tool For 3g Mobile Networks. - Klaus-Dieter Hackbarth; José Antonio Portilla-Figueras (Int. J. Inf. Technol. Decis. Mak., 2003)

Global communications newsletter - Services and their customization for a DVB-S network (The reposit project). - Klaus-Dieter Hackbarth; Roberto Ortiz; Carlos Diaz (IEEE Commun. Mag., 2004)

WeBaSeRex: Next Generation Internet Network Design using Web based Remote Execution environments. - Alberto E. Garcia; Klaus-Dieter Hackbarth; Roberto Ortiz (IEEE SCC, 2005)

Socio-Economic Issues in Future Generation Internet. - Markus Fiedler; Klaus-Dieter Hackbarth; Helmut Hlavacs (J. Univers. Comput. Sci., 2008)

Approximation to a Behavioral Model for Estimating Traffic Aggregation Scenarios. - Alberto E. Garcia; Klaus-Dieter Hackbarth (J. Univers. Comput. Sci., 2008)

Cost Model for Bitstream Access Services with QoS Parameters. - Laura Rodríguez de Lope; Klaus-Dieter Hackbarth (J. Univers. Comput. Sci., 2008)

Multiagent Simulation and Knowledge Management for NGN-FGI (Next Generation Networks - Future Generation Internet): Survey and Future Perspectives. - David de la Fuente García; Margarita Alonso; Klaus-Dieter Hackbarth (IC-AI, 2009)

Novel Heuristics for Cell Radius Determination in WCDMA Systems and Their Application to Strategic Planning Studies. - Antonio Portilla-Figueras; Sancho Salcedo-Sanz; Klaus-Dieter Hackbarth; Francisco López-Ferreras; Guillermo Esteve-Asensio (EURASIP J. Wirel. Commun. Netw., 2009)

Approximation towards energy-efficient distributed environments. - Alberto E. Garcia; Roman Weidlich; Laura Rodríguez de Lope; Klaus-Dieter Hackbarth; Helmut Hlavacs; Caridad San Leandro (SimuTools, 2010)

Quality of experience. - Markus Fiedler; Helmut Hlavacs; Klaus-Dieter Hackbarth; Patrik Arlos (Ann. des Télécommunications, 2010)

Foreword. - Markus Fiedler; Helmut Hlavacs; Klaus-Dieter Hackbarth; Patrik Arlos (Ann. des Télécommunications, 2010)

Application of cost models over traffic dimensioning with QoS restrictions. - Alberto E. Garcia; Laura Rodríguez de Lope; Klaus-Dieter Hackbarth (Ann. des Télécommunications, 2010)

2G/3G-Connect: A Tool for Strategic Techno-Economical Studies on National-Wide Mobile Networks under a Hybrid 2G/3G Architecture. - Alberto E. Garcia; Laura Rodríguez de Lope; Klaus-Dieter Hackbarth; Dragan Illich; Werner Neu (MOBILIGHT, 2011)

Cost models for QoS-differentiated interconnecting and wholesale access services in future generation networks. - Alberto E. Garcia; Laura Rodríguez de Lope; Klaus-Dieter Hackbarth (Telecommun. Syst., 2012)