citHeader("To cite package 'RNCEP' in publications use:")
     
     ## R >= 2.8.0 passes package metadata to citation().
     if(!exists("meta") || is.null(meta)) meta <- packageDescription("RNCEP")
     year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date)
     vers <- paste("R package version", meta$Version)
     
     citEntry(entry="Article",
              title = "RNCEP: global weather and climate data at your fingertips",
              author = personList(as.person("Michael Kemp"),
                                  as.person("Emiel van Loon"),
                                  as.person("Judy Shamoun-Baranes"),
                                  as.person("Willem Bouten")),
              journal = "Ecography",
			  volume = "submitted",
			  year = year,
              note = vers,
     
              textVersion =
              paste("Kemp, M.U., van Loon, E.E., Shamoun-Baranes, J.,",
                    "and Bouten, W. (",
                    year,
                    "). RNCEP: global weather and climate data at your fingertips. ",
                    vers, ".", sep=""))
