00282nam a2200109Ia 4500008004100000041000800041082001900049100002000068245002200088260005400110300000800164231228s2005    xx            000 0 und d  aeng  a621.382.2bGUP  aGUPTA (kailash)  aDigital Signature  aNew DelhibPrentice Hall of India New Delhic2005  a209