Sound absorption coefficients of the more common materials
Contributors: United States. Bureau of Standards
Series: Circular of the Bureau of Standards -- no. 384
Publisher: U.S. G.P.O.
Published: 1930
Place of publication: Washington
Language: eng
Subjects: Absorption of sound
Notes: "Issued August 20, 1930."

At head of title: U.S. Department of Commerce. Bureau of Standards