TY - RPRT TI - Standard Reference Materials : Determination of oxygen in ferrous materials SRM 1090, 1091, and 1092/ AU - Sterling, J T AU - Menis, Oscar PY - 1966 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-14 DO - 10.6028/NBS.SP.260-14 ER -