Following scores are purchasable from Donemus in The Netherlands

Instrumental Music: Isolation for bass cl and tape
(or 3 bass cl)
Solidity for 10 instruments Junction for alto-fl, vl, vc and harp
Friction for alto-fl, cl, pf and harp Recursive figuration for 6 cellos Broken White for 8 instruments
Style for string quartet
Computer Music: Transparency for harp and tape Sparkle for bass cl and tape Seven Refractions
for flute and computer
Transfiguration
for clarinet and computer
Lucent Aquarelle
for harp and computer
Facade for guitar and computer

Compact Discs are available from

Interactive Computer Music:Takayuki Raiincluding five pieces FONTEC (jp) Amazon (jp) Tower Records (jp)
Computer Music Currents 8Five Inventions WERGO Amazon (jp)
Computer Music Journal Vol 28, Issue 4Lucent Aquarelle
(movie on DVD)
MIT Press Journals
CDCM Computer Music Series
Vol.21: ICMA Award
Three Inventions Amazon (usa) Amazon (jp) Tower Records (jp)
Lars Graugaard-Flute Seven Refractions ClassicsOnline Amazon (jp)
MUSICA NOVA: musiana95Transparency
Sparkle
Amazon (uk) Amazon (jp)
Chrisopée électronique, Vol.16, Opus 30-Vol.2Sparkle IMEB (fr)
Cultures Electroniques 4Four Inventions Amazon (usa) Amazon (fr) Amazon (jp)
Cultures Electroniques 1Transparency IMEB (fr) Discogs
Kinetic Figuration including five pieces Contact