@conference{160331, author = {Samuel Low and Walter Liggett and David Pitchure}, title = {A New Method of Certifying Standardized Rockwell Hardness Test Blocks}, year = {1998}, month = {1998-09-01}, publisher = {Proceedings of Hardmeko 98 International Symposium on Advances in Hardness Measurement, Beijing, CH}, language = {en}, }