000 00277nam a2200121Ia 4500
008 170912s9999 xx 000 0 und d
082 _a SHA/E
100 _aSHARMA P D
245 0 _aELEMENTS OF ECOLOGY
260 _bRASTOGI PUBLICATIONS
_c1984
300 _a422
942 _cTB
999 _c27239
_d27239