@inbook{NBERc9274,
 Crossref = "NBERfrie65-1",
 title = "The Course of Money, Income, Prices, Velocity, and Interest Rates",
 author = "Milton Friedman and Anna Jacobson Schwartz",
 BookTitle = "The Great Contraction, 1929-33",
 Publisher = "Princeton University Press",
 pages = "5-36",
 year = "1965",
 URL = "http://www.nber.org/chapters/c9274",
}
@book{NBERfrie65-1,
 title = "The Great Contraction, 1929-33",
 author = "Milton Friedman and Anna J. Schwartz",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "Princeton University Press",
 year = "1965",
 URL = "http://www.nber.org/books/frie65-1",
}