1. Openshop and flowshop scheduling to minimize sum of completion times;Adiri;Computers & Operations Research,1984
2. Lateinische Rechtecke und Maschinenbelegung;Bräsel,1990
3. Bräsel, H., Kluge, D., and Werner, F., “A polynomial algorithm for the [n/m/0,tij = 1, tree/ΣCi]problem, submitted to Discrete Applied Mathematics.
4. Open shop scheduling to minimize finish time;Gonzales;Journal of the Association for Computing Machinery,1976
5. Computer aided complexity classification of deterministic scheduling problems;Lageweg,1981