00776nam a2200265Ia 4500008004100000040000600041041001200047082001000059082001100069100001900080245004700099245001900146260001400165260003300179260000900212300005500221300001200276365002500288501002500313650001800338650002200356942000700378999001900385952010600404141004s9999 xx 000 0 und d ca aEnglish a363.7 bATT/EN a Attar Chand aEnvironmental pollution and its protection c Attar Chand aNew Delhi bHK Publishers & Distributors c1989 a276 p.  b21.5 cm aRs.270  a3B 1 & 2  aFlood control aNatural resources cBK c302033d302033 001040708ENVaKAUCOFbKAUCOFg270.00l0o363.79pKAU_COF-1137r2014-10-04 00:00:00w2014-10-04yBK