I Ehrlich, H Chuma. Show Affiliations »
Abstract
Mesh: See more » DemographyEconomics, Medical/historyHistory, Modern 1601-Statistics as Topic/historyUnited States
Year: 1990 PMID: 11617449 DOI: 10.1086/261705
Source DB: PubMed Journal: J Polit Econ ISSN: 0022-3808