Almeida-Júnior, Antonio Alves de, et al. “Strength of 3Y-TZP and Feldspathic Porcelain Subjected to Different Cooling Methods”. Brazilian Journal of Oral Sciences, vol. 13, no. 2, Oct. 2015, pp. 124-8, https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8640908.