Newsletter = Bulletin de liaision 
 Bulletin de liaison 
International Union for the Scientific Study of Population. 
 - Liège :  The Union,  1972-©1998. 
 -  25-30 cm 
 -  <Sept.-Dec. 1989-> 
 - Irregular,  1972- 
 - No. 1-no 61 (mai 1998). 
<br/><br/> Title from cover.  Issues for 1976-1998 have French title: Bulletin de liaison. 
<br/><br/><br/>English and French. 
<br/><br/><label>ISSN: </label>0771-2022 
<br/><br/><label>Source: </label> International Union for the Scientific Study of Population, rue des Augustins, 34, 4000 Liège (Belgium-Belgique) 
<br/><br/><label>LCCN: </label>90641504  
<br/><br/><label>Nat. Bib. Agency Control No.: </label>101121592  DNLM 
<br/><br/><label>Materias - Términos temáticos: </label><br/>Demography<br/>Population<br/>Demography.<br/>Population.
<br/><br/><label>LC Class. No.: </label>HB848  / .I55a 
<br/><br/><label>Dewey Class. No.: </label>304.6/05