International documents for the 80's: Their role and use Proceedings of the 2nd World Symposium on International Documentation Brussels - 1980 - Berlin: WAlter De Gruyter, 1982 - xxi, 867p. ISBN: 3-11-008717-0 Subjects--Topical Terms: Information science Subjects--Index Terms: information Universal Decimal Class. No.: D 002"198"(082.2) / M2