000 00259nam a2200097 4500
245 _aBasic concept of ecology
_cClifford B. Knight
100 _aKnight, Clifford B.
260 _aLondon
_bMacmillan
_c1965
300 _axii, 468p.; ill. 24cm.
082 _a574.5
_bKNI
999 _c22941
_d22941