Influence of sound source height in orchestra pit on sound strength G : test on model in scale 1:50 / BRAWATA Krzysztof, KAMISIŃSKI Tadeusz, BARUCH Katarzyna // Archives of Acoustics ; ISSN 0137-5075. — 2016 vol. 41 no. 3, s. 615. — LXIII Open Seminar on Acoustics OSA 2016 : Warszawa–Białowieża, 13th–16th September 2016. — tekst: https://goo.gl/T6URw3