Verbesserung der Hörsamkeit eines Theaters durch eine schallverzögernde Leisesprecheranlage

Author: Schodder G. R.   Schröder F.-K.   Thiele R.  

Publisher: S. Hirzel Verlag

ISSN: 1610-1928

Source: Acta Acustica united with Acustica, Vol.2, Iss.2, 1952-01, pp. : 115-116

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