00526nam a2200169Ia 4500001001100000005001700011008004300028020001400071050000900085245004800094260002500142300001500167500009800182504002900280650002600309650002100335000001516020251012174536.0        s1971    xx                      c  a851420362 4aP32710aThe Thesaurus in retrievalcAlan Gilchrist   aLondonbAslibc1971   a184p.bill  aDistributed in the U.S.A., Canada and the Philippines by Chicorer Library Pub. Co., New York   aBibliography:p. 154-175 00aInformation retrieval00aSubject headings