000 00378 a2200157 4500
020 _a0078306949
082 _a574
_bLEO
090 _c10228
_d14445
100 _aLeonard, William H.
245 _aBiology
_ba community contest
260 _aNew York
_bMcGraw - Hill
_c2003
_g2003
300 _axv, 576p.
_c26cm.
650 _aBiology
700 _aPenick, John E.
942 _cL
999 _c38747
_d38747