1. Produced at Lawrence Radiation Laboratory, University of California, by C. E. Leith and G. A. Michael.
2. Produced at Stanford University by Roger Hockney.
3. ‘Simulation of a Two-Gyro Attitude Control,’ produced by Bell Telephone Laboratories by E. E. Zajac.
4. Quantum Mechanical Harmonic Oscillator, ‘ produced by A. M. Bork, Reed College, and the Educational Services, Inc.