000 00312nam a2200133Ia 4500
008 220721s1980 xx 000 0 und d
041 _aeng
082 _a719.36(54)
100 _aMishra, Anupam
245 _aThreatened environment
260 _aNew Delhi
_bG.P.F.
_c1980
300 _a16P.
999 _c81554
_d81554