Ordered sets /D. Reidel Publishing Company, Proceedings of the NATO advanced study institute held at Banff, Canada, August 28 to September 12, 1981 - Dordrecht: D. Reidel Publishing Company, 1981 - xviii, 966p. Subjects--Topical Terms: Lattice theory Subjects--Index Terms: Scientific programme Universal Decimal Class. No.: 512.545(082.2) / M2