The Carnegie-Mellon Computer Music System Digital Hardware. - Alice C. Parker; Richard Blum; Paul E. Dworak (ICMC, 1977)

The Design and Implementation of a Real-Time Sound Generation System. - Paul E. Dworak; Alice C. Parker; Richard Blum (ISCA, 1977)

A Low Cost, Real-time, Frequency Modulation Hardware Module for Mini and Micro Computers. - Richard Blum (ICMC, 1978)