@inbook{NBERc3729,
 Crossref = "NBERkain75-1",
 title = "Appendix H: Vacancy Rates Among Sampled Dwelling Units ",
 author = "John F. Kain and John M. Quigley",
 BookTitle = "Housing Markets and Racial Discrimination: A Microeconomic Analysis",
 Publisher = "NBER",
 pages = "374-376",
 year = "1975",
 URL = "http://www.nber.org/chapters/c3729",
}
@book{NBERkain75-1,
 title = "Housing Markets and Racial Discrimination: A Microeconomic Analysis",
 author = "John F. Kain and John M. Quigley",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1975",
 URL = "http://www.nber.org/books/kain75-1",
}