Information Retrieval: Patent offices / Committee for International Cooperation, ICIREPAT, Patent office of the Federal Republic of Austria Vienna, September 17th- 26th, 1963 - Baltimore: Spartan Books, Inc., 1964 - v, 347p. Subjects--Topical Terms: Information storage Subjects--Index Terms: Retrieval systems Patent literature Universal Decimal Class. No.: D 002:347.779.3(05) / J4