@misc{miscb704a18e,
title   = {Fracture toughness of dental porcelains},
author = {Cesar, Paulo Francisco and Yoshimura, Humberto Naoyuki and Miranda Júnior, Walter Gomes and Goldenstein, Hélio and Okada, C. Y. and Gonzaga, C. C.},
year = {2003},
booktitle   = {General Session of the International Association for Dental Research}
}