Catton, Chris. <br/><br/>
Sex in nature / 
Chris Catton & James Gray. 
 - New York, N.Y. :  Facts on File Publications,  c1985. 
 - 224 p. :  ill. (some col.) ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0816012946 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sex (Biology)<br/>Reproduction.
<br/><br/><label>LC Class. No.: </label>QH481  / .C37 1985