00600nam a2200181Ia 4500008004100000082001400041100001900055245005200074260003900126300000800165650001600173650003700189653002400226653002000250942001200270999001300282952012300295170901s1982    xx            000 0 und d  a020bA24P  aAgarwal, S. N. 0aPerspectives in Library And Information Science  aLucknowbPrint House (India)c1982  a408  aGneralities  aLibrary and Information sciences  aInformation science  aLibrary science  2ddccBK  c378d378  00102ddc4070aRAUbRAUd2017-10-18eMetropolitan, New Delhig250.00l0o020 A24Pp33149r2017-10-18w1982-04-27yBK