On Convincing Human/Machine Improvisation. - Harry D. Castle; Scott Walton (ICMC, 1998)

Fleece: Graphical 3-D Trajectory Specification Software for Spatialization in Live Performance. - Harry D. Castle (ICMC, 2000)

Real-Time Implementation of a General Model for Spatial Processing of Sounds. - Shahrokh Yadegari; F. Richard Moore; Harry D. Castle; Anthony Burr; Ted Apel (ICMC, 2002)