White, D. “Evidence for Color-by-Color Disengagement from the Process of Lepton Production Associated With the $\Psi$-Series and $\Upsilon$-Series Mesons”. Communications in Mathematics and Applications 1, no. 3 (December 25, 2010): 183–193. Accessed May 2, 2024. http://www.rgnpublications.com/journals/index.php/cma/article/view/125.