@inbook{inbookf1fa529c,
title   = {Software grÁfico para CAD/ CAM},
author = {Massola, Antônio Marcos de Aguirra and Tori, Romero and Arakaki, Reginaldo},
year = {1987},
publisher = {IPT},
journal   = {Curso de Cad-Cam e Automacao Industrial}
}