000 00316nam a2200109Ia 4500
008 210324s1997 xx 000 0 und d
041 _aeng
082 _a574.5
100 _aShukla, S. K.
_91586118
245 _aEncyclopedia of Environmental Pollution Vol. I - 5
260 _aN. Delhi
_bCommonwealth Publishers
_c1997
999 _c1034748
_d1034748