@Article{Rnews:Murrell:2002,
  author       = {Paul Murrell},
  title	       = {The grid Graphics Package},
  journal      = {R News},
  year	       = 2002,
  volume       = 2,
  number       = 2,
  pages	       = {14--19},
  month	       = {June},
  url	       = {http://CRAN.R-project.org/doc/Rnews/}
}

@Article{Rnews:Sarkar:2002,
  author       = {Deepayan Sarkar},
  title	       = {Lattice},
  journal      = {R News},
  year	       = 2002,
  volume       = 2,
  number       = 2,
  pages	       = {19--23},
  month	       = {June},
  url	       = {http://CRAN.R-project.org/doc/Rnews/}
}
