@inbook{NBERc2919,
 Crossref = "NBERmitc44-1",
 title = "Front matter to "Economic Research and The Needs Of The Times"",
 author = "Wesley C. Mitchell",
 BookTitle = "Economic Research and The Needs Of The Times",
 Publisher = "NBER",
 pages = "-1-4",
 year = "1944",
 URL = "http://www.nber.org/chapters/c2919",
}
@book{NBERmitc44-1,
 title = "Economic Research and The Needs Of The Times",
 author = "Wesley C. Mitchell",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1944",
 URL = "http://www.nber.org/books/mitc44-1",
}