Parkes, A S <br/><br/>
Seasonal variation in human sexual activity.  [electronic resource] 

 -  Eugenics Society symposia  1968 
 - 128-45 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0071-223X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abortion, Spontaneous--epidemiology<br/>Anovulation<br/>Birth Rate<br/>Coitus<br/>Emotions<br/>Female<br/>Geography<br/>Humans<br/>Illegitimacy<br/>Libido<br/>Male<br/>Pregnancy<br/>Pregnancy, Unwanted<br/>Seasons<br/>Sexual Behavior