000 00447nam a2200181u 4500
008 080212|||||||||||||||||||||||||||||eng|u
020 _a0697272052
100 1 _aEnger, Eldon D.
245 1 0 _aConcepts in biology
_cEldon D. Enger, Frederick C. Ross
250 _a8th ed.
260 _aBoston
_bMcGraw-Hill
_c1997
300 _a458p.
650 4 _aBiologia
700 1 _aRoss, Frederick C.
961 w l _t11
999 _c2819
_d2819