Purves, William K <br/><br/>
Life The Science of Biology / 
by Wlliam K. Purves, Gordon H. Orians, H. Craig Heller 
 - 4th Ed. 
 - United States of America:  Sinauer Associates Inc,  1997 
 - p.1195 
<br/><br/><label>ISBN: </label>2716726297 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570  / PUR-L 4