@inbook{NBERc10510, Crossref = "NBERaesm77-2", title = "Introduction to the Special Issue on Control Theory", author = "Edison Tse and David Kendrick", BookTitle = "Annals of Economic and Social Measurement, Volume 6, number 2", Publisher = "NBER", year = "1977", month = "April", URL = "http://www.nber.org/chapters/c10510", } @book{NBERaesm77-2, title = "Annals of Economic and Social Measurement, Volume 6, number 2", author = "Sanford V. Berg, editor", institution = "National Bureau of Economic Research", type = "Book", publisher = "NBER", year = "1977", URL = "http://www.nber.org/books/aesm77-2", }