@misc{1158791, author = {T A Siewart and D P Vigliotti}, title = {NIST recommended practice guide ::installing, maintaining, and verifying your charpy impact machine/}, year = {2000}, month = {2000-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.SP.960-4}, language = {en}, }