P. Grünbacher, M. Halling, S. Biffl, H. Kitapci, B. Boehm:
"Integrating Collaborative Processes and Quality Assurance Techniques: An Example from Requirements Negotiation";
Journal of Management Information Systems, 20 (2004), 4; 9 - 30.
http://aleph.ub.tuwien.ac.at/F?base=tuw01&func=find-c&ccl_term=AC04968449