@inbook{NBERc9371,
 Crossref = "NBERmack54-1",
 title = "The Plan of the Study",
 author = "Ruth P. Mack",
 BookTitle = "Factors Influencing Consumption: An Experimental Analysis of Shoe Buying",
 Publisher = "NBER",
 pages = "1-4",
 year = "1954",
 URL = "http://www.nber.org/chapters/c9371",
}
@book{NBERmack54-1,
 title = "Factors Influencing Consumption: An Experimental Analysis of Shoe Buying",
 author = "Ruth P. Mack",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "NBER",
 year = "1954",
 URL = "http://www.nber.org/books/mack54-1",
}