{"title":"An obstacle detecting device for the blind.","authors":"V TWERSKY","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":87807,"journal":{"name":"The Biological review of the City College","volume":"9 1","pages":"16-21"},"PeriodicalIF":0.0000,"publicationDate":"1947-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Biological review of the City College","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}