A Context-Free Syntax of ALGOL 68. - Paul Branquart; Jean-Pierre Cardinael; Jean-Paul Delescaille; Johan Lewi (Inf. Process. Lett., 1972)

A simple translation automaton allowing the generation of optimized code. - Paul Branquart; Jean-Pierre Cardinael; Johan Lewi; Jean-Paul Delescaille; Michael Van Begin (Methods of Algorithmic Language Implementation, 1975)

An Optimized Translation Process and Its Application to ALGOL 68 - Paul Branquart; Jean-Pierre Cardinael; Johan Lewi; Jean-Paul Delescaille; Michael Van Begin (Springer, 1976)

Other Cycling Tests for DES (Abstract). - Jean-Jacques Quisquater; Jean-Paul Delescaille (CRYPTO, 1987)

How Easy is Collision Search. New Results and Applications to DES. - Jean-Jacques Quisquater; Jean-Paul Delescaille (CRYPTO, 1989)

How Easy is Collision Search? Application to DES (Extended Summary). - Jean-Jacques Quisquater; Jean-Paul Delescaille (EUROCRYPT, 1989)