@inbook{NBERc9439,
 Crossref = "NBERaesm72-4",
 title = "Front matter to "Annals of Economic and Social Measurement, Volume 1, number 4"",
 author = "",
 BookTitle = "Annals of Economic and Social Measurement, Volume 1, number 4",
 Publisher = "NBER",
 pages = "372",
 year = "1972",
 month = "October",
 URL = "http://www.nber.org/chapters/c9439",
}
@book{NBERaesm72-4,
 title = "Annals of Economic and Social Measurement, Volume 1, number 4",
 author = "Sanford V. Berg, editor",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1972",
 URL = "http://www.nber.org/books/aesm72-4",
}