@inbook{NBERc4039,
 Crossref = "NBERdiaz76-1",
 title = "Trends and Phases in the Colombian Economy and Its Foreign Trade and Payments, 1950-72",
 author = "Carlos F. Diaz-Alejandro",
 BookTitle = "Foreign Trade Regimes and Economic Development: Colombia",
 Publisher = "NBER",
 pages = "1-32",
 year = "1976",
 URL = "http://www.nber.org/chapters/c4039",
}
@book{NBERdiaz76-1,
 title = "Foreign Trade Regimes and Economic Development: Colombia",
 author = "Carlos F. Diaz-Alejandro",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1976",
 URL = "http://www.nber.org/books/diaz76-1",
}