{"title":"研究背景","authors":"A. Alvarez-Risco","doi":"10.2307/j.ctv1zcm0ch.5","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":31894,"journal":{"name":"Boletim Geografico do Rio Grande do Sul","volume":"68 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2018-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"ANTECEDENTES DE INVESTIGACIÓN\",\"authors\":\"A. Alvarez-Risco\",\"doi\":\"10.2307/j.ctv1zcm0ch.5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":31894,\"journal\":{\"name\":\"Boletim Geografico do Rio Grande do Sul\",\"volume\":\"68 1\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Boletim Geografico do Rio Grande do Sul\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2307/j.ctv1zcm0ch.5\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Boletim Geografico do Rio Grande do Sul","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2307/j.ctv1zcm0ch.5","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}