"Symposium on Machinery Noise (1969 : Los Angeles, Calif.)" . . . "Avions à réaction Bruit." . . "American Society of Mechanical Engineers. Biomechanical and Human Factors Division." . . . . . . . . . . . . . . . . . . . "Symposium on Machinery Noise : pres. at 1969 Winter annual meeting of ASME, Los Angeles - Calif., November 17-19, 1969" . . "Symposium on Machinery Noise"@en . . "Symposium on Machinery Noise" . . . . . "Symposium on Machinery Noise (1969 : Los Angeles)" . . . "Avions à réaction Bruit Congrès." . . "Turbomachines Bruit." . .