000 00284nam a2200121Ia 4500
008 161121s9999 xx 000 0 und d
100 _aKHANNA. D.R
245 0 _aEcology & Pollution of Ganga River
260 _cAshish Publishing House
365 _b0
650 _aNIL
942 _cBK
999 _c99755
_d99755