citHeader("To cite PTAk in publications use preferably the JSS one and the current version:")


if(!exists("meta") || is.null(meta)) meta <- packageDescription("PTAk")

year <- sub(".*(2[[:digit:]]{3})-.*", "\\1", meta$Date)
vers <- paste("R package version", meta$Version)


citEntry(entry="Article",
	title = "\\textup{A Singular Value Decomposition of  \\textit{k}-Way Array for
       a Principal Component Analysis of Multiway Data, \\textsc{PTA}-\\textit{k}}",
        author = personList(as.person("D. Leibovici"),as.person("R. Sabatier")),
	journal = "Linear Algebra and Its Applications",
  	 year = "1998",
  volume  = "269",
   pages  ="307-329",        
   textVersion = 
        paste("Leibovici, D. and Sabatier, R.",
	       "(1998)", 
               "A Singular Value Decomposition of  k-Way Array for 
               a Principal Component Analysis of Multiway Data, PTA-k. ",
               "Linear Algebra and its Applications, 269:307-329 ",
               sep="")
         )
 
 
 citEntry(entry="Manual",
    title = "\\textup{PTAk}: \\textup{Principal Tensor Analysis on k modes}",
    author = as.person("Leibovici D.G."),
    year = year,
    edition = vers,
    url = "http://cran.r-project.org/web/packages/PTAk/index.html",
       textVersion=
        paste("Leibovici D.G. ",
	             "(",year,")" ,
               " PTAk: Principal Tensor Analysis on k modes, ",
               vers,
               " . http://cran.r-project.org/web/packages/PTAk/index.html. ",
               sep="")
         )
         
citEntry(entry="Article",
	title = "\\textup{Spatio-Temporal Multiway Decompositions using Principal Tensor Analysis on k-modes: the  \\textsc{R}-package \\textsc{PTAk}}",
        author = as.person("Leibovici D.G."),
	journal = "Journal of Statistical Software",
  	year = "accepted in 2009",
	volume = "xx",
	pages = "1-34",
	number = "x",         
        textVersion = 
        paste("Leibovici D.G. ",
	       "(accepted in 2009) ", 
               "Spatio-Temporal Multiway Decompositions using Principal Tensor Analysis on k-modes: the R-package PTAk. ",
               "Journal of Statistical Software. ",
               "xx(x): 1-34.",
               sep="")
         )
         
    citFooter("visit also http://c3s2i.free.fr or http://cgs.nottingham.ac.uk/~lgzdl")