000 00314nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aKOT-C
_b574.5
100 _aKotpal, R L; Bali, NP
245 0 _aConcept of ecology
260 _a New Delhi
_bVishal Publications
_c1978
650 _aEcology; Biology
942 _cBK
999 _c9288
_d9288