00486nam a2200181Ia 4500001001100000005001700011008004300028020001400071050000900085245008600094260002500180300000900205500001800214650001300232650002300245650002100268999001500289000001516120251012174536.0        s1972    xx                      c  a851420427 4aP32710aThesaurus construction: a practical manualcby Jean Aitchison and Alan Gilchrist   aLondonbAslibc1972   a95p.  aBibliography 00aIndexing00aSubject cataloging00aSubject headings  c5753d5753