00408nam a2200157 a 450000500170000000800410001704100080005808200080006610000220007424500450009626400320014130000240017349000220019765000120021970000190023120260717091212.0260717s1982    ii            000 0 eng d  aeng04a5701 aHanauer, Ethel R.10aBiology made simple /cHanauer, Ethel R. 1aLondon :bHeinemann,c1982.  axi, 320 p. ; 22 cm.0 aMade Simple books 4aBiology1 aBarnett, Susan