Oliveira, Dayane Carvalho Ramos Salles, et al. “The Effect of Shade and Curing Mode on Cure Efficiency of Dual-Cure Resin Cements”. Brazilian Dental Science, vol. 19, no. 3, Sept. 2016, pp. 59-64, doi:10.14295/bds.2016.v19i3.1265.