TY - CONF AU - Walter Liggett Jr AU - Samuel Low AU - David Pitchure AU - Jun-Feng Song C2 - Proceedings of the IMEKO XV World Congress, Osaka, 1, JA DA - 1999-06-01 00:06:00 LA - en PB - Proceedings of the IMEKO XV World Congress, Osaka, 1, JA PY - 1999 TI - Assessment Error Sources in Rockwell Hardness Measurements ER -