Stichting Mathematisch Centrum
Stichting Mathematisch Centrum. Mathematische Besliskunde

Lawler, E. L. (1979). Preemptive scheduling of uniform parallel machines to minimize the weighted number of late jobs : (preprint). In Stichting Mathematisch Centrum. Mathematische Besliskunde (BW 105/79). Stichting Mathematisch Centrum.