000 00297nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _a628
_bKHA
100 _aKhanna, GN
245 0 _aGlobal environmental crises & management
260 _bDelhi: Ashish Pub
_c1993
300 _a603
942 _2ddc
999 _c86338
_d86338