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van Bevern, René; Bredereck, Robert; Bulteau, Laurent; Komusiewicz, Christian; Talmon, Nimrod; Woeginger, Gerhard J. (2016). "Precedence-Constrained Scheduling Problems Parameterized by Partial Order Width". DOOR 2016: Discrete Optimization and Operations Research. Lecture Notes in Computer Science. Vol. 9869. Springer-Verlag. pp. 105–120. arXiv:1605.00901. doi:10.1007/978-3-319-44914-2_9.