Designing Object-Oriented Synchronous Groupware with COAST. - Christian Schuckmann; Lutz Kirchner; Jan Schümmer; Jörg M. Haake (CSCW, 1996)

Modeling collaboration using shared objects. - Christian Schuckmann; Jan Schümmer; Peter Seitz 002 (GROUP, 1999)

Introducing groupware in administrative environments - experiences from the POLIWORK project. - Jan Schümmer; Thomas Tesch; Daniel A. Tietze; Ajit Bapat (HCI (2), 1999)

Synchrone Softwarearchitekturen. - Jan Schümmer; Christian Schuckmann (CSCW-Kompendium, 2001)

Semantische Netze in agilen Projekten. - Jan Schümmer; Klaus Reichenberger (HMD Prax. Wirtsch., 2013)