000 00287nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a577.4
_bKUM
100 _aKumar, H D
245 0 _aModern concepts of ecology
260 _aNew Delhi
_bVikas
_c1978
650 _aEcology
942 _cBK
999 _c27237
_d27237