00341nam a2200109 a 450000500170000008200130001710000210003024500670005126000710011830000230018963000190021220251203091151.0  a020bRAN  aRanganathan, S.R  aLibrary manualbfor library authorities,Librarians and Library  aBangalorebSaradha Ranganathan endowment for Library sciencec1988  a414 p.b22 cm.cPB  aLibrary manual