000 00315nam a2200121Ia 4500
008 170101s2002 xx 000 0 und d
082 _a631.4 GUP
100 _aGupta, P.K
245 0 _aMethods in environmental analysis :water soil & air
260 _aDelhi
_bAgrobios
_c2002
300 _a408p.
942 _2ddc
_cBK
999 _c119081
_d119081