Partitions of the 4-subsets of a 13-set into disjoint projective planes. - Leo G. Chouinard (Discret. Math., 1983)

Graphical t-wise balanced designs. - Leo G. Chouinard; Earl S. Kramer; Donald L. Kreher (Discret. Math., 1983)

Bounding graphical t-wise balanced designs. - Leo G. Chouinard (Discret. Math., 1996)