Scott A. Vanstone. Doubly resolvable designs. Discrete Mathematics, 29(1):77-86, 1980. [doi]
@article{Vanstone80, title = {Doubly resolvable designs}, author = {Scott A. Vanstone}, year = {1980}, doi = {10.1016/0012-365X(90)90288-S}, url = {http://dx.doi.org/10.1016/0012-365X(90)90288-S}, researchr = {https://researchr.org/publication/Vanstone80}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {29}, number = {1}, pages = {77-86}, }