TY - RPRT TI - Standard Reference Materials : Homogeneity characterization of Fe-3Si alloy/ AU - Fiori, C E AU - Yakowitz, H PY - 1971 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NBS SP 260-22 DO - 10.6028/NBS.SP.260-22 ER -