Computers in Science and Higher Education Contributions to the Conference BIT ’89, held in Berlin, GDR, June 19–23, 1989 Grabowski Jan Innbundet / 1991 / Engelsk
Algebraic and Logic Programming Proceedings of an International Workshop held in Gaussig (GDR), November 14–18, 1988 Grabowski Jan Innbundet / 1989 / Engelsk
Algebraic and Logic Programming International Workshop, Gaussig, GDR, November 14-18, 1988. Proceedings Grabowski Jan Heftet / 1989 / Engelsk
