BibTeX
@TECHREPORT{
         Lawson1971CDU,
       AUTHOR = "Lawson, Charles L.",
       TITLE = "Computing Derivatives Using {W}-Arithmetic and {U}-Arithmetic",
       INSTITUTION = "Jet Propulsion Laboratory",
       ADDRESS = "Pasadena, Calif.",
       MONTH = "September",
       YEAR = "1971",
       TYPE = "Internal Computing Memorandum",
       NUMBER = "CM--286",
       REFERRED = "[Juedes1991ATo]; [Lawson1991ADo]."
}