TY - JOUR T1 - Time-frequency analysis of intermittent two-phase flows in horizontal piping JO - Journal of the Brazilian Society of Mechanical Sciences and Engineering A1 - Klein, F. L. A1 - Seleghim Junior, P. A1 - Hervieu, E. SN - 1678-5878 UL - 10.1590/S1678-58782004000200009 VL - 26 Y1 - 2004 PB - Brasil ER -