{"title":"FOUR YEARS AND COUNTING","authors":"J. Crichton","doi":"10.15396/eres2012_212","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":22627,"journal":{"name":"The Journal of Air Traffic Control","volume":"377 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2001-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Journal of Air Traffic Control","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.15396/eres2012_212","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}