Natural human fertility :  social and biological determinants :  proceedings of the twenty-third annual symposium of the Eugenics Society, London, 1986 / 
edited by Peter Diggory, Malcolm Potts, Sue Teper. 
 - Houndmills :  MacMillan,  1988. 
 - 201 p. :  ill. ;  21 cm. 
<br/><br/><label>ISBN: </label>0333457242 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertility, Human--Social aspects.