Cross-Organizational Transaction Support for Virtual Enterprises. - Jochem Vonk; Wijnand Derks; Paul W. P. J. Grefen; Marjanca Koetsier (CoopIS, 2000)

Contracts for Cross-Organizational Workflow Management. - Marjanca Koetsier; Paul W. P. J. Grefen; Jochem Vonk (EC-Web, 2000)