Sheppard, P. M. <br/><br/>
Natural selection and heredity / 
P. M. Sheppard. 
 - ELBS ed. 
 - London :  English Language Book Society,  1979. 
 - 239 p. :  ill. 
<br/><br/><label>ISBN: </label>0091400511 
<br/><br/><label>LCCN: </label>91026136      
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural selection.<br/>Genetics.<br/>Evolution.