00467nam a2200169Ia 4500008004100000020001500041082001700056100002300073245004200096260005300138300000800191650001400199650002000213653002000233653001700253700002700270170901s2005    xx            000 0 und d  a8176487937  a333.91bN37W  aRajvaidya, Neelima 0aWater: Characteristics and Properties  aNew DelhibA. P. H. Publishing Corporationc2005  a346  aEconomics  aSocial sciences  aWater pollution  aWater supply  aMarkandey, Dilip Kumar