@misc{indiciae90e74f24af26, title = {Optimal restricted two-stage designs.}, author = {L D Case and T M Morgan and C E Davis}, year = {1987}, doi = {10.1016/0197-2456(87)90039-0}, url = {https://pubmed.ncbi.nlm.nih.gov/3608508/}, note = {Source identifier: 3608508} }