Vellay, Pierre. <br/><br/>
Sex development and maternity / 
Pierre Vellay. 
 - London :  Hutchinson of London,  c 1968. 
 - xvi, 186 p.  ill.  23 cm. 
<br/><br/>326  326 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural childbirth.
<br/><br/><label>Dewey Class. No.: </label>618.45 / V545n