{"title":"[A national survey of fertility. No. 20. Sexual relations and contraception. The development of their social significance].","authors":"G Julemont","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85317,"journal":{"name":"Population et famille","volume":" 53","pages":"105-29"},"PeriodicalIF":0.0000,"publicationDate":"1981-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Population et famille","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}