00536nam a2200193   450000500170000000600040001700700040002100800040002502000180002904000090004705000230005610000170007924500670009625000120016326000490017530000240022452100500024865000440029820140815153933.0000000000  a9788173198465  aUOEL  aGB661.2b.P37 2008  aPatra, K. C.  aHydrology and Water Resources Engineering /cK. C. PatrahText  a2nd ed.  aNew Delhi;bNarosa Publishing House,cc2011.  axvi, 591 p. :bill.  aincludes Bibliographical References and index  aHydrologybWater ResourcesxEngineering