Wallace, Robert A. <br/><br/>
Biology :  The world of life / 
Robert A. Wallace. 
 - 4th ed. 
 - London :  Glenview, Ill. ;  Scott, Foresman,  1987. 
<br/><br/><label>ISBN: </label>0673166023 
<br/><br/><label>LCCN: </label>86024829 
<br/><br/><label>LC Class. No.: </label>QH308.2