Maia, C. R. M., et al. “HEAT TRANSFER STUDY IN SLUG FLOW ON ELLIPTICAL DUCTS CROSS SECTIONS BY GENERALIZED INTEGRAL TRANSFORM TECHNIQUE”. Revista De Engenharia Térmica, vol. 4, no. 2, Dec. 2005, pp. 154-62, doi:10.5380/reterm.v4i2.5414.