TY - GEN AU - Swann, PR AU - Tighe, N J C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.76-1161 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - High voltage microscopy of the reduction of hermatite to magnetite: ER -