Computing centers undermine MVS security. - Christof Schramm (Comput. Secur., 1991)

Added-on security for MVS: weaknesses and measures. - Christof Schramm (Comput. Secur., 1993)

CodeKoan: A Source Code Pattern Search Engine Extracting Crowd Knowledge. - Christof Schramm; Yingding Wang; François Bry (CSI-SE@ICSE, 2018)