00453nam a2200157Ia 4500003000900000008004100009020000700050040001600057080001500073100001700088245010600105250001100211260001700222300001500239650004100254IN-BaIIA211028s9999    xx            000 0 eng d  aNO  cIIA Library  a001.3bVIC  aVickery, B C 0aClassification and Indexing in sciencecB. C. Vickery                                                  a2nd ed  aLondonc1959  axix, 235p.  aAstronomy and Astrophysics Thesaurus