TY - GEN AU - R P Reed AU - J G Hust AU - M B Kasen AU - H M Ledbetter AU - D T Read AU - R E Schramm AU - L L Sparks AU - R L Tobler C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1976-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.IR.76-839 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1976 TI - Semi-annual report on materials research in support of superconducting machinery: ER -