An investigation of some hand motions used in factory work,
by Ralph M. Barnes.
APA Citation
Barnes, R. Mosser. (1936). An investigation of some hand motions used in factory work. Iowa City, Ia.: The University.
MLA Citation
Barnes, Ralph Mosser, 1900-. An Investigation of Some Hand Motions Used In Factory Work. Iowa City, Ia.: The University, 1936.
Warning: These citations may not always be complete (especially for serials).