Methods for manual pure-tone threshold audiometry
By: Standards Secretariat, Acoustical Society of America.
Contributors: American National Standards Institute.; Acoustical Society of America. Standards Secretariat.; Accredited Standards Committee S3, Bioacoustics.
Publisher: ASA Secretariat, Acoustical Society of America
Published: 2004
Place of publication: Melville, N.Y
Language: eng
Number of pages: 13
Subjects: Audiometry -- Standards
Other titles: American National Standard; Methods for manual pure tone threshold audiometry.
Notes: "ANSI S3.21-2004. Revision of ANSI S3.21-1978)"

"Accredited Standards Committee S3, Bioacoustics."--Cover.

"Approval date: April 8, 2004, American National Standards Institute, Inc."

Includes bibliographical references.