Bill Powers
The Method of Levels: a Cognitive-Therapy synthesis
William T. Powers (2010)
Psychology & Mental Health
Quantitative Analysis of Purposive Systems: Some Spadeworkat the Foundations of Scientific Psychology
William T. Powers (1978)
Other
Journal on Perceptual Control Theory Vol1 No 1, 1999
An experiment with a simple method for controlling an invertedpendulum William T. Powers