FU, H. L.; PAO, H. T. ON THE CONSTRUCTION OF UNIVERSALLY OPTIMAL BLOCK DESIGNS WITH NESTED ROWS AND COLUMNS. Tamkang Journal of Mathematics, [S. l.], v. 27, n. 1, p. 67–76, 1996. DOI: 10.5556/j.tkjm.27.1996.4363. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4363. Acesso em: 2 may. 2024.