Sagrera, Martin. <br/><br/>
Sex, population, and politics 
Martin Sagrera 
 - Madrid  Editorial Fundamentos  c1990. 
 - 96 p.:  ill.;  17 cm. 
<br/><br/><label>ISBN: </label>8440478224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth control.<br/>GEN<br/>Sex.