citHeader("To cite sphet in publications use:")

citEntry(entry = "Article",
  title        = "{sphet}: Spatial Models with Heteroskedastic Innovations in {R}",
  author       = personList(as.person("Gianfranco Piras")),
  journal      = "Journal of Statistical Software",
  year         = "2010",
  volume       = "35",
  number       = "1",
  pages        = "1--21",
  url          = "http://www.jstatsoft.org/v35/i01/",

  textVersion  =
  paste("Gianfranco Piras (2010).",
        "sphet: Spatial Models with Heteroskedastic Innovations in R.",
        "Journal of Statistical Software, 35(1), 1-21.",
        "URL http://www.jstatsoft.org/v35/i01/.")
)

citEntry(entry = "Article",
  title        = "Comparing Implementations of Estimation Methods for Spatial Econometrics",
  author       = personList(as.person("Roger Bivand"),
                   as.person("Gianfranco Piras")),
  journal      = "Journal of Statistical Software",
  year         = "2015",
  volume       = "63",
  number       = "18",
  pages        = "1--36",
  url          = "http://www.jstatsoft.org/v63/i18/",

  textVersion  =
  paste("Roger Bivand, Gianfranco Piras (2015).",
        "Comparing Implementations of Estimation Methods for Spatial Econometrics.",
        "Journal of Statistical Software, 63(18), 1-36.",
        "URL http://www.jstatsoft.org/v63/i18/.")
)

