000 00333nam a2200109 4500
245 _aBiology : observation and concepts
_cJames F. Case and Vernon E. Stiers
100 _aCase, James F.
710 _aStiers, Vernon E.
260 _aNew York
_bMacmillan
_cc1971
300 _aviii, 502p.: ill., (partly col.).; 29cm.
082 _a574
_bCAS
999 _c30414
_d30414