Ritchie, Donald D  <br/><br/>
Biology / 
Donald D Ritchie; Robert Carola 
 - Pan Books :  London :  c1979 
 - xiv, 658 p. :  ill. ;  25 cm 
 - Pan study aids .
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>0330299379 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570  / RIB 1979