Referência:
MOTTA, Marcelo Ferreira ; DUTRA, J. C. ; GOHR JR, Raul ; SCOTTI, Américo . A Study on out-of-phase current pulses of the double wire MIG/MAG process with insulated potentials on coating applications - Part II. Journal of the Brazilian Society of Mechanical Sciences and Engineering, v. 29, p. 207-210, 2007.