000 00404nam a2200169Ia 4500
999 _c40387
_d40387
003 OSt
005 20220617202449.0
008 210501s9999 xx 000 0 und d
040 _cKL MEHTA
082 _a574.52 G95E
100 _aGupta; Anil,GuptaSanjeev
245 0 _aEnvironmental Studies
260 _c0
_bLaxmi Publication
300 _a246
651 _aEnvironmental Studies
942 _cBK
_2ddc