SINHA, KISHORE; MITRA, RANJIT KUMAR; SAHA G.M. Nested BIB designs, balanced bipartite weighing designs and rectangular designs. Utilitas Mathematica , [S. l.], v. 49, Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/12. Acesso em: 8 may. 2026.