CAPTCHAs: The Good, the Bad, and the Ugly. - Paul Baecher; Marc Fischlin; Lior Gordon; Robert Langenberg; Michael Lützow; Dominique Schröder (Sicherheit, 2010)

Benchmarking cloud security level agreements using quantitative policy trees. - Jesus Luna Garcia; Robert Langenberg; Neeraj Suri (CCSW, 2012)

Susceptibility Analysis of Structured P2P Systems to Localized Eclipse Attacks. - Daniel Germanus; Robert Langenberg; Abdelmajid Khelil; Neeraj Suri (SRDS, 2012)

Analysis and Optimization of the Offline Software of the ATLAS Experiment at CERN. - Robert Langenberg (2017)

A Common Tracking Software Project. - Xiaocong Ai; Corentin Allaire; Noemi Calace; Angéla Czirkos; Markus Elsing; Irina Ene; Ralf Farkas; Louis-Guillaume Gagnon; Rocky Garg; Paul Gessinger; Hadrien Grasland; Heather M. Gray; et al. (Comput. Softw. Big Sci., 2022)