Prasad Jayaweera Paul Johannesson Petia Wohed Process Patterns to Generate E-commerce Systems. 417-431 2001 conf/er/2001w ER (Workshops) http://link.springer.de/link/service/series/0558/bibs/2465/24650417.htm db/conf/er/erw2001.html#JayaweeraJW01