Stewart, George Walter Introductory acoustics. - New York Van Nostrand [1933] - 200 p. illus. 23 cm. LCCN: 63056031 /L/r87 Subjects--Topical Terms: SoundArchitectural acoustics.Music--Acoustics and physics. LC Class. No.: QC225 / .S855 1933 Dewey Class. No.: 534