00274nam a2200109Ia 450000500170000008000180001710000170003524500570005226000280010930000090013758300180014620260716043651.0  a19.01.06 B877  aBrown, A. G.  aIntroduction to subject indexing : a programmed text  bBingleyaLondonGBc1976  a2 v.  c3/30/06kJOYD