@article{article70324599,
title   = {Influence of specimen dimensions on nominal polymerization contraction stress of a dental composite},
author = {Witzel, Marcelo Ferreira and Braga, Roberto Ruggiero and Ballester, Rafael Yague and González Lima, Raúl},
year = {2005},
doi = {10.1590/s1678-58782005000300010},
journal   = {Journal of the Brazilian Society of Mechanical Sciences and Engineering}
}