@inbook{NBERc8282,
 Crossref = "NBERdavi97-1",
 title = "Technology",
 author = "Lance E. Davis and Robert E. Gallman and Karin Gleiter",
 BookTitle = "In Pursuit of Leviathan: Technology, Institutions, Productivity, and Profits in American Whaling, 1816-1906",
 Publisher = "University of Chicago Press",
 pages = "260-296",
 year = "1997",
 month = "January",
 URL = "http://www.nber.org/chapters/c8282",
}
@book{NBERdavi97-1,
 title = "In Pursuit of Leviathan: Technology, Institutions, Productivity, and Profits in American Whaling, 1816-1906",
 author = "Lance E. Davis and Robert E. Gallman and Karin Gleiter",
 institution = "National Bureau of Economic Research",
 type = "Book",
 publisher = "University of Chicago Press",
 year = "1997",
 URL = "http://www.nber.org/books/davi97-1",
}