Noise reduction of a pneumatic rock drill
By: by Aarne Visnapuu and James W. Jensen.
Contributors: Jensen, J. W. joint author.; United States. Bureau of Mines
Series: Report of investigations - Bureau of Mines -- 8082
Publisher: U.S. Dept. of the Interior, Bureau of Mines
Published: 1975
Place of publication: Pittsburgh
Language: eng
Number of pages: 23
Subjects: Rock-drills.; Noise control.
Notes: Tables.

Bibliography: p. 23.