@misc{1202396, author = {R J Norcross}, title = {Utility of high pressure oil with digital proportional valves in servo applications:}, year = {2002}, month = {2002-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.6896}, language = {en}, }