| Literature DB >> 12310709 |
Abstract
Keywords: Americas; Demography; Developed Countries; North America; Northern America; Population Theory; Social Sciences; United States
Mesh:
Year: 1979 PMID: 12310709 DOI: 10.1137/0136015
Source DB: PubMed Journal: SIAM J Appl Math ISSN: 0036-1399 Impact factor: 2.080