Speech and hearing: 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. 331 pages, illustrations, 8vo. New York, D. Van Nostrand Company, Inc., 1929. Price, $5.50

✍ Scribed by Henry Leffmann

• Publisher: Elsevier Science
• Year: 1929
• Tongue: English
• Weight: 130 KB
• Volume: 207
• Category: Article
• ISSN: 0016-0032
• DOI: 10.1016/s0016-0032(29)91491-5