Trust in Business Processes. - Nicolai Kuntze; Andreas U. Schmidt; Zaharina Velikova; Carsten Rudolph (ICYCS, 2008)

Secure Web Service Workflow Execution. - Carsten Rudolph; Nicolai Kuntze; Zaharina Velikova (VODCA@FOSAD, 2008)

Towards security in decentralized workflows. - Zaharina Velikova; Julian Schütte; Nicolai Kuntze (ICUMT, 2009)