J. R. Bartels

Visual needs evaluation of continuous miner operations

C. C. Jobes, J. R. Bartels, J. P. DuCarme, 2011 .

Novel design for a thin seam shuttle car featuring an ergonomic operator compartment

W. D. Mayercheck, J. R. Bartels, A. G. Mayton, 1989 .

Evaluation of Work Positions used by Continuous Miner Operators in Underground Coal Mines

C. C. Jobes, J. R. Bartels, J. P. DuCarme, 2009 .

Operating speed assessments of underground mining equipment

A. J. Kwitowski, J. R. Bartels, J. P. Ducarme, 2010 .

Comparative laboratory evaluation of resin-grouted roof bolt elements. Report of Investigations/1985

J. R. Bartels, D. M. Pappas, 1985 .