Service-oriented architecture and business process choreography in an order management scenario: rationale, concepts, lessons learned. - Olaf Zimmermann; Vadim Doubrovski; Jonas Grundler; Kerard Hogg (OOPSLA Companion, 2005)

Architectural Decisions and Patterns for Transactional Workflows in SOA. - Olaf Zimmermann; Jonas Grundler; Stefan Tai; Frank Leymann (ICSOC, 2007)