RT Conference Proceedings DB /z-wcorg/ DS http://worldcat.org ID 1046005 LA English T1 Economic factors in population growth; proceedings of a conference held by the International Economic Association at Valescure, France. A1 Coale, Ansley J., A1 International Economic Association. A1 Centre national de la recherche scientifique (France) PB Wiley PP New York YR 1975 SN 0470161477 9780470161470