Kaushik, L. S., Praja D. Puri, and B. D. Mehta. “Augment Partial Diallel Crosses Based on Two Associate Class Association Scheme”. Statistica 47, no. 3 (January 1, 1987): 389–401. Accessed May 8, 2024. https://rivista-statistica.unibo.it/article/view/749.