| [1] |
M. Wegmann and M. Lennert.
GRASS User Survey 2004.
GRASS Newsletter, 2:2-16, January 2005.
ISSN 1614-8746. [ bib | .pdf ] |
| [2] |
#1GRASS Development Team.
GRASS 6.0.0beta1 release.
GRASS Newsletter, 2:17-18, January.
ISSN 1614-8746. [ bib | .pdf ] |