@misc{1150481, author = {M A Mornis and T P Quinn and T A Siewert and J P H Steele}, title = {Sensing of contact tube wear in gas metal arc welding:}, year = {1992}, month = {1992-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.IR.3996}, language = {en}, }