TY - RPRT TI - Standard Reference Materials : A standard reference material containing 2.5 percent austenite (SRM 488)/ AU - Eaton, E E AU - Hicho, G E PY - 1983 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-86 DO - 10.6028/NBS.SP.260-86 ER -