000 00264 a2200109 4500
008 190730b xxu||||| |||| 00| 0 eng d
100 _aAgarwal, S. K.
245 _aFundamentals of ecology /
_cS. K. Agarwal
300 _a256p.
650 _aEcology
942 _2ddc
_cBK
999 _c9604
_d9604