citHeader("To cite package 'ipdw' in publications use:")

if(!exists("meta") || is.null(meta))
    meta <- packageDescription("ipdw")
year <- sub("-.*", "", meta$Date)
note <- sprintf("R package version %s", meta$Version)
     
citEntry(entry = "Manual",
         title = "ipdw: spatial interpolation by Inverse Path Distance Weighting. ",
         author = personList(as.person("Jemma Stachelek")),
         year = year,
         note = note,
         url = "https://cran.r-project.org/package=ipdw",

         textVersion = paste("Jemma Stachelek (", year, 
             "). ipdw: spatial interpolation by Inverse Path Distance Weighting. ",
             note, ".", sep=""))
