TY - CONF AU - Li Ma AU - Samuel Low AU - Jun-Feng Song C2 - Proceedings of the Inernational Measurement Confederation Conference, Celle, GE DA - 2002-09-01 LA - en M1 - No. 1685 PB - Proceedings of the Inernational Measurement Confederation Conference, Celle, GE PY - 2002 TI - Comparison of Rockwell B Hardness (HRB) Tests Using Steel and Tungsten Carbide Ball Indenters ER -