Thomas A. Roemer. A note on the complexity of the concurrent open shop problem. J. Scheduling, 9(4):389-396, 2006. [doi]
@article{Roemer06, title = {A note on the complexity of the concurrent open shop problem}, author = {Thomas A. Roemer}, year = {2006}, doi = {10.1007/s10951-006-7042-y}, url = {http://dx.doi.org/10.1007/s10951-006-7042-y}, tags = {source-to-source, open-source}, researchr = {https://researchr.org/publication/Roemer06}, cites = {0}, citedby = {0}, journal = {J. Scheduling}, volume = {9}, number = {4}, pages = {389-396}, }