To cite the Orsi fronts data in this package use:

Orsi, A. H., T. Whitworth III and W. D. Nowlin, Jr., 1995: On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep-Sea Research I, 42, 641-673.

Corresponding BibTeX entry:

  @Article{,
    title = {On the meridional extent and fronts of the Antarctic
      Circumpolar Current},
    author = {{Orsi} and A. H. and T. Whitworth III and W. D. {Nowlin,
      Jr.}},
    journal = {Deep-Sea Research I},
    year = {1995},
    volume = {42},
    pages = {641--673},
    url =
      {http://woceatlas.tamu.edu/Sites/html/atlas/SOA_DATABASE_DOWNLOAD.html},
  }