Reducing back injuries in low-coal mines :
redesign of materials-handling tasks /
by Sean Gallagher, Thomas G. Bobick, and Richard L. Unger.
APA Citation
Gallagher, S., Unger, R. L., Bobick, T. G. (1990). Reducing back injuries in low-coal mines: redesign of materials-handling tasks. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines.
MLA Citation
Gallagher, Sean, Richard L Unger, and T. G Bobick. Reducing Back Injuries In Low-coal Mines: Redesign of Materials-handling Tasks. Washington, D.C.: U.S. Dept. of the Interior, Bureau of Mines, 1990.
Warning: These citations may not always be complete (especially for serials).