A European Call For Cryptographic Algorithms: Ripe; Race Integrity Primitives Evaluation. - Joos Vandewalle; David Chaum; Walter Fumy; Cees J. A. Jansen; Peter Landrock; Gert Roelofsen (EUROCRYPT, 1989)

Race Integrity Primitives Evaluation (RIPE): A Status Report. - Bart Preneel; David Chaum; Walter Fumy; Cees J. A. Jansen; Peter Landrock; Gert Roelofsen (EUROCRYPT, 1991)

Cryptographic algorithms in telecommunications systems. - Gert Roelofsen (Inf. Secur. Tech. Rep., 1999)

TETRA Security. - Gert Roelofsen (Inf. Secur. Tech. Rep., 2000)

New surveillance techniques raise privacy concerns. - Boaz Gelbord; Gert Roelofsen (Commun. ACM, 2002)