000 00281nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aDev Raj Khanna
245 0 _aEcology and Pollution of Ganga River
260 _bAshish Pub
260 _c1993
365 _b400
942 _cBK
999 _c217855
_d217855