@inbook{NBERc6437,
 Crossref = "NBERlewe71-1",
 title = "Acknowledgments",
 author = "Wilbur G. Lewellen",
 BookTitle = "The Ownership Income of Management",
 Publisher = "UMI",
 year = "1971",
 URL = "http://www.nber.org/chapters/c6437",
}
@book{NBERlewe71-1,
 title = "The Ownership Income of Management",
 author = "Wilbur G. Lewellen",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "UMI",
 year = "1971",
 URL = "http://www.nber.org/books/lewe71-1",
}