Bart Preneel David Chaum Walter Fumy Cees J. A. Jansen Peter Landrock Gert Roelofsen Race Integrity Primitives Evaluation (RIPE): A Status Report. 547-551 http://link.springer.de/link/service/series/0558/bibs/0547/05470547.htm 1991 EUROCRYPT db/conf/eurocrypt/eurocrypt91.html#PreneelCFJLR91