Mike J. Grannell, Terry S. Griggs, Kathleen A. S. Quinn, Ralph Gordon Stanton. A census of minimum pair-coverings with restricted largest block length. Ars Comb., 52, 1999.
@article{GrannellGQS99, title = {A census of minimum pair-coverings with restricted largest block length}, author = {Mike J. Grannell and Terry S. Griggs and Kathleen A. S. Quinn and Ralph Gordon Stanton}, year = {1999}, researchr = {https://researchr.org/publication/GrannellGQS99}, cites = {0}, citedby = {0}, journal = {Ars Comb.}, volume = {52}, }