共 7 条
- [1] BIQUARD P, 1935, THESIS PARIS
- [2] Biquard P., 1936, ANN PHYS-PARIS, V6, P195
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- [4] Optical investigations of the directivity of ultrasound sources. [J]. ZEITSCHRIFT FUR PHYSIK, 1937, 107 (02): : 273 - 282
- [5] HIEDEMANN E, 1939, GRUNDLAGEN ERGEBNISS
- [6] HIEDEMANN E, 1938, P INDIAN ACAD SCI A, V8, P275
- [7] RIEKMANN P, 1939, PHYS Z, V40, P582