{"title":"【美国人口的变化:在美国,人口的构成正在发生根本性的变化】。","authors":"W Klohn","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85900,"journal":{"name":"Zeitschrift fur den Erdkundeunterricht","volume":"49 4","pages":"159-66"},"PeriodicalIF":0.0000,"publicationDate":"1997-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"[The changing population of the United States: in the United States, the composition of the population is undergoing a radical transformation].\",\"authors\":\"W Klohn\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":85900,\"journal\":{\"name\":\"Zeitschrift fur den Erdkundeunterricht\",\"volume\":\"49 4\",\"pages\":\"159-66\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1997-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Zeitschrift fur den Erdkundeunterricht\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Zeitschrift fur den Erdkundeunterricht","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}