Symbolic hierarchical artwork generation system. - Stef van Vlierberghe; Jeff Rijmenants; Walter Heyns (DAC, 1985)

Real-Time Electronic Funds Transfer and Ada. - Jean Willain; Pierrot Baesens; Joël Sanzot; Stef van Vlierberghe (Ada-Europe, 1991)

Migrating Large Applications from Ada83 to Ada95. - Philippe Waroquiers; Stef van Vlierberghe; Dirk Craeynest; Andrew Hately; Erik Duvinage (Ada-Europe, 2001)