Injury experience in coal mining, 1955-56 :
analysis of mine safety factors, related employment, and production data /
by John C. Machisak...[et al.].

APA Citation

Rice, D. D., Reid, E. J., Jones, N. L., Wrenn, V. E., Machisak, J. C. (1956). Injury experience in coal mining, 1955-56: analysis of mine safety factors, related employment, and production data. Washington: U.S. Govt. Print. Off..

MLA Citation

Machisak, J. C, et al.. Injury Experience In Coal Mining, 1955-56: Analysis of Mine Safety Factors, Related Employment, And Production Data. Washington: U.S. Govt. Print. Off., 1956.

Warning: These citations may not always be complete (especially for serials).