Experimental study for the optimization of plasma torch operationsR. Benocci, R. Florio, A. Galassi, M. Paolicchio, M. Piselli, C. Sala, M. Sciascia and E. SindoniEur. Phys. J. D, 6 2 (1999) 269-279DOI: https://doi.org/10.1007/s100530050308