00598nam a22001817a 4500008004100000020001500041050002500056100002200081245010400103250001200207260006500219300004300284500002000327650001200347700002000359700002000379700001700399161109b        xxu||||| |||| 00| 0 eng d  a0716733250  aQH308.2 b.L565 1997  aPurves,William K.  aLife :bthe science of biology/cWilliam K.Purves,Gordon H.Orians ,H.Craig Helller and David Savada  a5th ed.  aW.H Freeman and Company :bSinauer Associates ,Inc. ,cc1997  a1300p. :bill. ;c23cmeCD-ROMfcmg12  aIncludes index.  aBiology  aOrians,Godon H.  a Heller,H.Craig  aSavada,David