@article{articlecdc59806, title = {In vitro evaluation of the surface roughness of three amalgam alloys through angular correlation of speckle method}, author = {Alves, C. M. C. and Mori, Matsuyoshi and Matson, Edmir and Muramatsu, Mikiya and Paiva, R D}, year = {2002}, journal = {Journal of Dental Research} }