00299nam a2200109Ia 4500008004100000020001800041082001500059100002600074245003500100260004600135300000800181190710s9999    xx            000 0 und d  a81-7022-682-1  a910.72 K52  aKhan, Zulfequar Ahmad 0aTextbook of practical geometry  aNew DelhibConcept Publishing Compac1998  a333