00422nam a2200145Ia 4500008004100000082001300041100001600054245002300070260004800093300001000141490006200151600002900213600001400242650002000256140224s9999    xx            000 0 und d  a025.5 N0  aIsaac, K.A.  aLiterature search.  aNew DelhibConcept Publishing Companyc1990  a170p.  aConcepts in Communication Informatics & Librarianship, 19  aAgrawal, S.P. Series ed.  aK.A.Isaac  aLibrary science