Mikro BASIC-85 (19xx)(Basic Comp)(en)[a]
Mikro BASIC-85 (19xx)(Basic Comp)(en)[a2]
Santa Paravia (19xx)(Andreas Ziermann & Dirk Ambras)[a2]
CRC-D 7D (19xx)(D. Ambras)
Computer-Skat (19xx)(H.-J.Bachmann & D. Ambras)[a2]
Computer-Skat (19xx)(H.-J.Bachmann & D. Ambras)[a]