@inbook{NBERc10206,
 Crossref = "NBERaesm74-4",
 title = "Estimation and Inference in Nonlinear Structural Models",
 author = "E.K. Berndt and B.H. Hall and R.E. Hall",
 BookTitle = "Annals of Economic and Social Measurement, Volume 3, number 4",
 Publisher = "NBER",
 pages = "103-116",
 year = "1974",
 month = "October",
 URL = "http://www.nber.org/chapters/c10206",
}
@book{NBERaesm74-4,
 title = "Annals of Economic and Social Measurement, Volume 3, number 4",
 author = "Sanford V. Berg, editor",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1974",
 URL = "http://www.nber.org/books/aesm74-4",
}