000 00329nam a2200133Ia 4500
008 191004s9999 xx 000 0 und d
082 _a577.14
_bANI/U
100 _aANIL TYAGI
245 0 _aUGC NET/SLET Environmental Science
250 _a1st Ed.
260 _bDanika Publishing House New Delhi,
300 _a487p
942 _cBK
999 _c7100
_d7100