@Unpublished{gruenbacher:2005,
  author = 	 {Andreas Gruenbacher},
  title = 	 {How To Survive With Many Patches (Introduction to Quilt)},
  year = 	 {2005},
  month = 	 {June},
  note =         {\url{http://www.suse.de/~agruen/quilt.pdf}},
}

@Misc{web:quilt,
  author = 	 {Andreas Gruenbacher, Martin Quinson, Jean Delvare},
  title = 	 {Patchwork Quilt},
  note = 	 {\url{http://savannah.nongnu.org/projects/quilt}},
}