Mencía, R., Sierra, M., Mencía, C. and Varela, R. (2015) “Schedule Generation Schemes and Genetic Algorithm for the Scheduling Problem with Skilled Operators and Arbitrary Precedence Relations”, Proceedings of the International Conference on Automated Planning and Scheduling, 25(1), pp. 165-173. doi: 10.1609/icaps.v25i1.13707.