Acta Informatica, Volume 26

Volume 26, Number 1/2, October 1988

Volume 26, Number 3, November 1988

Volume 26, Number 4, February 1989

Volume 26, Number 5, March 1989

Volume 26, Number 6, July 1989

Volume 26, Number 7, September 1989

Volume 26, Number 8, October 1989