000 00299nam a2200121Ia 4500
008 161126s9999 xx 000 0 und d
100 _aLAL, S.
245 _aENVIROMENT POLLUTION & CONTROL (HINDI)
250 _a11th
260 _bMEERUT : NAV BHARAT PRAKASHAN
_c2013
300 _a197
942 _cBK
999 _c83761
_d83761