William T. Powers
About Perceptual Control Theory (PCT), some history, status, and what you will experience when studying PCT. Highlights from an introductory essay William T. (Bill) Powers wrote in May, 1980
Biology & Neuroscience
A Control System Approach to Cardiovascular Reactivity: Behavioral Models That Behave
Raymond Pavloski (1989) https://doi.org/10.1111/j.1469-8986.1989.tb01953.x
Method of Levels
Crisis intervention in Mental Health settings based on PCT
Mark Lazare (April 2012)