@inbook{NBERc7156,
 Crossref = "NBERwise87-1",
 title = "Comparable Worth in the Public Sector",
 author = "Ronald G. Ehrenberg and Robert S. Smith",
 BookTitle = "Public Sector Payrolls",
 Publisher = "University of Chicago Press",
 pages = "243-290",
 year = "1987",
 URL = "http://www.nber.org/chapters/c7156",
}
@book{NBERwise87-1,
 title = "Public Sector Payrolls",
 author = "David A. Wise",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1987",
 URL = "http://www.nber.org/books/wise87-1",
}