Head, J.J. <br/><br/>
How human life begins / 
J. J. Head. 
 - London :  J. Murray,  1970. 
 - 46 p. :  illus. ;  20cm. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>071952072X 
<br/><br/><label>LCCN: </label>79500995  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reproduction--Juvenille literature.