00387cam a2200133 a 4500008004100000020001800041100002100059245005300080260002600133300002600159500002800185650001500213050002500228091006s2006    ii a    sb    001 0 eng d  a97881203370771 aDas, Madan Mohan10aHydrologyc/ by Madan Mohan Das, Mimi Das Saikia  aDelhi :bPHI,cc2009.  axv, 340 p. :bill. ;   aEastern economy edition 0aHydrology.14aGB661.2b.R34 2006eb