The Acoustical Materials Association. (1957). Sound absorption coefficient of architectural acoustical material.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रThe Acoustical Materials Association. Sound Absorption Coefficient of Architectural Acoustical Material. [New York, 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रThe Acoustical Materials Association. Sound Absorption Coefficient of Architectural Acoustical Material. 1957.
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