000 00306nam a2200109Ia 4500
008 220303s1997 xx 000 0 und d
041 _aeng
082 _a574.5 SRI / GLO
100 _aSrivastava, P. R.
_9102742
245 _aGlobal Environmental Series
260 _aNew Delhi
_bCommonwealth Publishers
_c1997
999 _c111020
_d111020