Rivera M, Basagana X, Aguilera I, Agis D, Bouso L, Foraster M, Medina-Ramon M, Pey J, Kunzli N, Hoek G. Spatial distribution of ultrafine particles in urban settings: a land use regression model. Atmos Environ. 2012 Jul;54:657-66. doi: 10.1016/j.atmosenv.2012.01.058
Basagana X, Rivera M, Aguilera I, Agis D, Bouso L, Elosua R, Foraster M, de Nazelle A, Nieuwenhuijsen M, Vila J, Kunzli N. Effect of the number of measurement sites on land use regression models in estimating local air pollution. Atmos Environ. 2012 Jul;54:634-42. doi: 10.1016/j.atmosenv.2012.01.064
Herring WL, Herrmann JW. The single-day surgery scheduling problem: sequential decision-making and threshold-based heuristics. OR spectrum: quantitative approaches in management. 2012 Apr 1;34(2):429-59.