@misc{1198996, author = {Eric P Whitenton Ruff}, title = {A computer-controlled test system for operating different wear test machines:}, year = {1989}, month = {1989-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.89-4107}, language = {en}, }