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Animefringe: Alien Nine - Offbeat Alien Fun
http://www.animefringe.com/magazine/2003/07/feature/05/index.php3
A feature about the manga.
Comic Readers: Alien Nine Book 1
http://www.comicreaders.com/modules.php?name=News&file=article&sid=44
Summary and review.
WellredPress Manga - Alien Nine Vol. 1
http://wellredpress.com/Manga/Manga%20-%20Reviews/aliennine_volone.htm
Review of the first volume of the manga.