Test apparatus for measuring sound power levels of drills /
by William W. Aljoe, Robert R. Stein, and Roy C. Bartholomae.
APA Citation
Aljoe, W. W., Bartholomae, R. C., Stein, R. R. (1987). Test apparatus for measuring sound power levels of drills. [Pittsburgh, Pa.]: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Aljoe, William W, R. C Bartholomae, and Robert R Stein. Test Apparatus for Measuring Sound Power Levels of Drills. [Pittsburgh, Pa.]: U.S. Dept. of the Interior, Bureau of Mines, 1987.
Warning: These citations may not always be complete (especially for serials).