By HARVEY FLETCHER, PH.D. Acoustical Research Director BELL TELEPHONE LABORATORIES, INC.
WITH AN INTRODUCTION
BY H. D. ARNOLD, PH.D. Director of Research BELL TELEPHONE LABORATORIES, INC.
D. VAN NOSTRAND COMPANY, INC.
EIGHT WARREN STREET
Questia, a part of Gale, Cengage Learning. www.questia.com
Publication information: Book title: Speech and Hearing. Contributors: Harvey Fletcher - Author, H. D. Arnold - Author. Publisher: D. Van Nostrand Company, Inc.. Place of publication: New York. Publication year: 1929. Page number: iii.
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