@inbook{NBERc9072,
 Crossref = "NBERmeye75-2",
 title = "The U.S. Railroad Industry in the Post-World War II Period: A Profile",
 author = "John R. Meyer and Alexander L. Morton",
 BookTitle = "Explorations in Economic Research, Volume 2, number 4",
 Publisher = "NBER",
 pages = "449-501",
 year = "1975",
 month = "October",
 URL = "http://www.nber.org/chapters/c9072",
}
@book{NBERmeye75-2,
 title = "Explorations in Economic Research, Volume 2, number 4",
 author = "NBER",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1975",
 URL = "http://www.nber.org/books/meye75-2",
}