TY - RPRT TI - Standard Reference Materials : A standard reference material containing nominally thirty percent austenite (SRM 487)/ AU - Eaton, E E AU - Hicho, G E PY - 1982 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-78 DO - 10.6028/NBS.SP.260-78 ER -