Herring WL, Herrmann JW. A stochastic dynamic program for the single-day surgery scheduling problem. IIE Trans Healthc Syst Eng. 2011 Dec 1;1(4):213-25.
Lillienberg L, Zock JP, Kromhout H, Plana E, Jarvis D, Toren K. A population-based study on welding exposures at work and respiratory symptoms. Ann Occup Hyg. 2008 Mar;52(2):107-15.