000 00392nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a628.16
245 0 _aProt.the nations ground water from contamination
260 _aNULL
260 _b"Scientific Publishers, Jodhpur."
260 _c1987
300 _a244p.
365 _b250
650 _aCIVIL
942 _cDBK
999 _c18020
_d18020