Ozawa, M., and J. I. Yanagihara. “EXPERIMENTAL DETERMINATION OF OHMIC RESISTIVITY OF FLY ASH FOR DESIGN OF ELECTROSTATIC PRECIPITATORS”. Revista De Engenharia Térmica, vol. 4, no. 2, Dec. 2005, pp. 132-7, doi:10.5380/reterm.v4i2.5403.