00262nam a2200109Ia 4500008004100000020001500041082001500056100002300071245001300094260003700107300000800144190710s9999    xx            000 0 und d  a8170295343  a005.13 K13  aKanetkar, Yashwant 0aLet us c  aNew DelhibBPB Publicationc1995  a658