Operation Execution Groups: Efficient Operation Processing in Widely Distributed Object Systems. - Christoph Hartwich; Stefan Tai (TOOLS (33), 2000)

N-Tier Enterprise-Applikationen. - Christoph Hartwich (Grundlagen von Datenbanken, 2001)

Flexible Distributed Process Topologies for Enterprise Applications. - Christoph Hartwich (SEM, 2002)

An Enterprise Application Architecture for Reconfigurable Distributed Process Topologies. - Christoph Hartwich (ICDCS Workshops, 2003)

A middleware architecture for transactional, object-oriented applications. - Christoph Hartwich (2003)