Frequency domain analysis of the acoustic backscattering from an axially soldered tubeTouraine, Nicolas; Chiumia, Jeremiah; Decultot, Dominique; Maze, Gerard; Klauson, Aleksander; Metsaveer, JaanProceedings of the International EAA/EEAA Symposium : Transport Noise and Vibration, Tallinn, 8.06 - 10.06. 19981998 / p. 247-250: ill