@inbook{NBERc1257,
 Crossref = "NBERfuch67-1",
 title = "INTRODUCTION to "Differentials in Hourly Earnings by Region and City Size, 1959"",
 author = "Victor R. Fuchs",
 BookTitle = "Differentials in Hourly Earnings by Region and City Size, 1959",
 Publisher = "UMI",
 pages = "1-5",
 year = "1967",
 URL = "http://www.nber.org/chapters/c1257",
}
@book{NBERfuch67-1,
 title = "Differentials in Hourly Earnings by Region and City Size, 1959",
 author = "Victor R. Fuchs",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1967",
 URL = "http://www.nber.org/books/fuch67-1",
}