citHeader("To cite package 'nlme' in publications use:")
     
desc <- packageDescription("nlme")
year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", desc$Date)
vers <- paste("R package version", desc$Version)
     
citEntry(entry="Manual",
	title = "tsDyn: Time series analysis based on dynamical systems theory",
	author = personList(as.person("Antonio, Fabio Di Narzo"),
                                  as.person("Jose' Luis Aznarte"),
                                  as.person("Matthieu Stigler")),
        year = year,
        note = vers,
	textVersion = paste("Antonio, Fabio Di Narzo, Jose' Luis Aznarte and Matthieu Stigler (",
                    year,
                    "). tsDyn: Time series analysis based on dynamical systems theory. ",
                    vers, ".", sep=""))
