00427nam a2200157Ia 4500008004100000020001800041082001400059100002100073245001400094260004400108300000800152650003800160650003400198653001500232700002200247170901s2011    xx            000 0 und d  a9788120337077  a627bD18H  aDas, Madan Mohan 0aHydrology  aNew DelhibPHI, Learning Pvt. Ltdc2011  a340  aEngineering and allied operations  aTechnology (Applied sciences)  aHydraulics  aSaikia, Mimi. Das