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Brand, Albert. (January 1935) 1935. “A Method For The Intensive Study Of Birdsong”. The Auk 52 (1): 40-52. doi:10.2307/4077106.
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Osswald, Franz Max. (21 October 1930AD) 1930. “Acoustics Laboratory, E.t.h. Zürich, Apparatus And Architectural Models”. Zürich. doi:http://doi.org/10.3932/ethz-a-000055302.
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Osswald, Franz Max. (7 July 1933AD) 1933. “Acoustics Laboratory, E.t.h. Zürich, Apparatus For Ultrasound Photography”. Zürich.
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Osswald, Franz Max. (29 August 1930AD) 1930. “Photographic Study Of Sound Propagation For An Auditorium Of Variable Size, Sectional Models (1/4)”. Zürich.
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Osswald, Franz Max. (29 August 1930AD) 1930. “Photographic Study Of Sound Propagation For An Auditorium Of Variable Size, Sectional Models (2/4)”. Zürich.
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Chladni, Ernst Florens Friedrich. 1830. Die Akustik. Leipzig: Breitkopf und Härtel.
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Osswald, Franz Max. (29 August 1930AD) 1930. “Photographic Study Of Sound Propagation For An Auditorium Of Variable Size, Sectional Models (3/4)”. Zürich.
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Osswald, Franz Max. (29 August 1930AD) 1930. “Photographic Study Of Sound Propagation For An Auditorium Of Variable Size, Sectional Models (4/4)”. Zürich.
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Osswald, Franz Max. (09.10.1930AD) 1930. “Photograpic Study Of Sound Propagation For An Auditorium Of Variable Size By Franz Max Osswald, Horizontal Models (1 Of 2)”.
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Osswald, Franz Max. (09.10.1930AD) 1930. “Photographic Study Of Sound Propagation For An Auditorium Of Variable Size By Franz Max Osswald, Horizontal Models (2 Of 2)”.