Architectural acoustics
By: by Paul R. Heyl.
Contributors: United States. Bureau of Standards.
Series: Circular of the Bureau of Standards -- no. 396
Publisher: U.S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Subjects: Architectural acoustics.
Notes: "Issued December 7, 1931."

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