Joost Breuker Emil Petkov Radboud Winkels Drafting and Validating Regulations: The Inevitable Use of Intelligent Tools. 21-33 http://link.springer.de/link/service/series/0558/bibs/1904/19040021.htm 2000 conf/aimsa/2000 AIMSA db/conf/aimsa/aimsa2000.html#BreukerPW00