citHeader("To cite the UNF package in publications use:")

year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date, perl = TRUE)
vers <- paste("R package version", meta$Version)
 
citEntry(entry="Manual",
         title = "UNF: Tools for creating universal numeric fingerprints for data",
         author = personList(as.person("Thomas J. Leeper")),
         year = year,
         note = vers,
		 textVersion = paste("Thomas J. Leeper (",year,
                             "). UNF: Tools for creating universal numeric fingerprints for data. ",
                             vers, ".", sep=""))


citEntry(entry="Book",
         title  = "Numerical Issues in Statistical Computing for the Social Scientist",
         author = personList(as.person("M. Altman"), 
                             as.person("J. Gill"),
                             as.person("M.P. McDonald") ),
        publisher    = "John Wiley and Sons",
        edition      = "First",
        address      = "New York",
        year         = 2003,
        ISBN 		 = "ISBN 0-471-23633-0",        
        textVersion = 
        paste("Altman, M., Gill, J. and M.P. McDonald (2003)", 
              "Numerical Issues in Statistical Computing for the Social Scientist.",
              "John Wiley and Sons, New York.",
              "ISBN 0-471-23633-0.")
)
