{"title":"The mortality-fertility ratio: a useful measure for describing demographic change in the United States, 1940-1975.","authors":"G A Schnell, M S Monmonier","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":84810,"journal":{"name":"Geographical survey","volume":"8 2","pages":"21-30"},"PeriodicalIF":0.0000,"publicationDate":"1979-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Geographical survey","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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