TY - GEN AU - L L Sparks AU - F R Fickett AU - J G Hust AU - P J Giarratano AU - E R Naimon AU - W F Weston AU - M B Kasen AU - R L Tobler AU - R P Mikesell AU - R L Durcholz AU - C W Fowlkes AU - R P Reed C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1974-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.74-359 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1974 TI - Semi-annual report on materials research in support of superconducting machinery: ER -