@inbook{NBERc10013,
 Crossref = "NBERaesm74-1",
 title = "Searching for the Lowest Price When the Distribution of Prices Is Unknown: A Summary",
 author = "Michael Rothschild",
 BookTitle = "Annals of Economic and Social Measurement, Volume 3, number 1",
 Publisher = "",
 pages = "293-294",
 year = "1974",
 URL = "http://www.nber.org/chapters/c10013",
}
@book{NBERaesm74-1,
 title = "Annals of Economic and Social Measurement, Volume 3, number 1",
 author = "Sanford V. Berg, editor",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "",
 year = "1974",
 URL = "http://www.nber.org/books/aesm74-1",
}