00261nam a2200097Ia 4500008004100000041000800041100001500049245005300064260003800117300000800155211209s2001    xx            000 0 und d  aeng  aRUDRAIAH N  aMATHEMATICAL MODELLING OF ATMOSPHERIC POLLUTION   aBANGALOREbSAPNA BOOK HOUSEc2001  a620