1. Balsam, P. D., Fifer, W., Sacks, S., &Silver, R. (1984) Microcomputers in psychology laboratory courses.Behavior Research Methods, Instrumentation, & Computers,16, 150–152.
2. Clower, P., &Calabraro, P. (1983, October). Seeking a cheap output?Microcomputing, pp 82–84.
3. Gibbon, J., &Allen, L. (1984).Timing and time perception. New York Annals of the New York Academy of Sciences.
4. Hulse, S., Cynx, J., &Humpal, J. (1985). Pitch context and pitch discrimination in birds. In P. Balsam & A. Tomie (Eds.),Context and learning. Hillsdale, NJ: Erlbaum.
5. Mealy, G. H. (1955). A method for synthesizing sequential circuits.Bell System Technical Journal,34, 1045–1079.