@inbook{NBERc3955,
 Crossref = "NBERfied71-1",
 title = "SECTION D CHARTS",
 author = "Edgar R. Fiedler",
 BookTitle = "Measures of Credit Risk and Experience",
 Publisher = "UMI",
 pages = "216-258",
 year = "1971",
 URL = "http://www.nber.org/chapters/c3955",
}
@book{NBERfied71-1,
 title = "Measures of Credit Risk and Experience",
 author = "Edgar R. Fiedler",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1971",
 URL = "http://www.nber.org/books/fied71-1",
}