Category: Book: Hardcover
Machine:
Date: 1990
Original Publisher: Sybex [DE] (USA/Germany)
Category: Book: Paperback
Date: 1981
Original Publisher: Sybex [FR] (USA/France)
Date: 1983
Original Publisher: Glentop Publishers Ltd (UK)
Date: 1984
Original Publisher: Sybex Computer Books (USA)
Date: 1985
Original Publisher:
Date: unknown
Date: 1979
Date: 1980
Date: 1982
Original Publisher: Sinclair Browne Ltd (UK)