Piero Scaruffi's music database has an entry on Melt-Banana, reviewing all their major releases.
The All Music Guide entry on Melt-Banana.
An entry from a "Japanese underground" site. Well-designed, with a little band description summary, a discography and two RealAudio clips of "Plot in a Pot" and "Scratch or Stitch" from Scratch or Stitch.
Junk Magnet, an online zine, has this page on Melt-Banana with some links and a description and so on.