00299nam a2200109Ia 4500008004100000020001800041082001000059100001500069245002300084260007300107300000900180250525s9999    xx            000 0 und d  a9788171874339  a32MAL  aV.Malhotra 0aFirst Encyclopedia  a4598/12-B Ansari Road Darya Ganji New Delhi-110002bSPK Graphsc2015  a31p.