Improving Availability of Partially Redundant Databases by Majority Consensus Protocols. - Helmut Breitwieser; M. Leszak (DDB, 1982)

A Fault-Tolerant Scheme for distributed transaction commitment. - M. Leszak; Helmut Breitwieser (ICDCS, 1982)

A Distributed Transaction Processing Protocol Based on Majority Consensus. - Helmut Breitwieser; M. Leszak (PODC, 1982)

Integration Strukturierter Methoden zur Anforderungsspezifikation von Informationssystemen. - M. Leszak; B. Franzen; K. Fritschi (Requirements Engineering, 1991)