Peter Bielkowicz Thein Than Tun A Comparison and Evaluation of Data Requirement Specification Techniques in SSADM and the Unified Process. 46-59 2001 conf/caise/2001 CAiSE http://link.springer.de/link/service/series/0558/bibs/2068/20680046.htm db/conf/caise/caise2001.html#BielkowiczT01