{"title":"An Old Stumbling Stone Revisited.","authors":"R. R. Poole","doi":"10.5951/MT.63.3.0259","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":144125,"journal":{"name":"Math Teacher","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1970-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Math Teacher","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.5951/MT.63.3.0259","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}