Hierarchical Random Simulation Approach for the Verification of S/390 CMOS Multiprocessors. - Jörg A. Walter; Jens Leenstra; Gerhard Döttling; Bernd Leppla; Hans-Jürgen Münster; Kevin W. Kark; Bruce Wile (DAC, 1997)

S/390 Parallel Enterprise Server Generation 3: A balanced system and cache structure. - Gerhard Döttling; Klaus Joerg Getzlaff; Bernd Leppla; Walter Lipponer; Thomas Pflueger; Thomas Schlipf; Dietmar Schmunkamp; Udo Wille (IBM J. Res. Dev., 1997)

Cybersecurity in the German Railway Sector. - Dietmar Möller; Lukas Iffländer; Michael Nord 003; Bernd Leppla; Patrik Krause; Peter Czerkewski; Nikolai Lenski; Kristin Mühl (CRITIS, 2022)

Emerging Technologies in the Era of Digital Transformation: State of the Art in the Railway Sector. - Dietmar Möller; Lukas Iffländer; Michael Nord 003; Patrik Krause; Bernd Leppla; Kristin Mühl; Nikolai Lensik; Peter Czerkewski (ICINCO, 2022)