The following publications are possibly variants of this publication:
- Covering Arrays of Strength ThreeM. A. Chateauneuf, Charles J. Colbourn, Donald L. Kreher. dcc, 16(3):235-242, 1999.
- Algorithmic methods for covering arrays of higher indexRyan E. Dougherty, Kristoffer Kleine, Michael Wagner 0026, Charles J. Colbourn, Dimitris E. Simos. jco, 45(1):28, 2023. [doi]
- Empirically Identifying the Best Greedy Algorithm for Covering Array GenerationChanghai Nie, Jing Jiang, Huayao Wu, Hareton Leung, Charles J. Colbourn. icst 2013: 239-248 [doi]