Population crisis 
Martin Sagrera  
 - Madrid, Spain  Editorial Fundamentos  (1995?)  
 - 87p.  19cm 
<br/><br/> Previous English ed. (1990) had title: Sex, population, and politics  
<br/><br/><label>ISBN: </label>8440478224 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control<br/>Overpopulation<br/>Population policy<br/>Sex--Social aspects