@inbook{NBERc1012, Crossref = "NBERhann48-1", title = "PART III,The Accounting Period and the Distribution of Income, Chapter 1 The Question and a Partial Answer", author = "Frank A. Hanna and Joseph A. Pechman and Sidney M. Lerner", BookTitle = "Analysis of Wisconsin Income", Publisher = "NBER", pages = "153-164", year = "1948", URL = "http://www.nber.org/chapters/c1012", } @book{NBERhann48-1, title = "Analysis of Wisconsin Income", author = "Frank A. Hanna and Joseph A. Pechman and Sidney M. Lerner", institution = "National Bureau of Economic Research", type = "Book", publisher = "NBER", year = "1948", URL = "http://www.nber.org/books/hann48-1", }