Dias, S. C., M. R. Moysés, J. A. M. Agnelli, G. B. Ávila, J. C. R. Ribeiro, and L. J. Pereira. “Impact Fracture Strength Applied to Dental Modeling Materials”. Brazilian Journal of Oral Sciences, vol. 6, no. 21, Jan. 2016, pp. 1349-52, doi:10.20396/bjos.v6i21.8642989.