Paula Jr., C. F. de, and L. E. M. Lima. “COMPARISON ANALYSIS OF CORRELATIONS FOR INTERFACIAL FRICTION FACTOR APPLIED IN GAS-LIQUID ANNULAR FLOW IN VERTICAL PIPES”. Revista De Engenharia Térmica, vol. 16, no. 2, Dec. 2017, pp. 54-61, doi:10.5380/reterm.v16i2.62211.