https://quissystems.blogspot.com/p/general-theorem-of-equitable-value.html
https://quissystems.blogspot.com/p/equitable-value-two-dimensional-analysis.html
https://quissystems.blogspot.com/p/equitable-value-three-dimensional.html
https://quissystems.blogspot.com/p/presenting-tauon-using-relative.html