Lendon,Henri Pressat,Roland <br/><br/>
Interpretation of Short -Term Birth Rate Variations, 2) Birth Internals: New Empirical Data 

 - New York  United Nations  1980 
 - 27p. 
 - United Nations population Studies Translation .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth Intervals<br/>Demography