TY - RPRT TI - Materials studies for superconducting machinery coil composites AU - Ekin, J W AU - Kasen, M B AU - Read, D T AU - Schramm, R E AU - Tobler, R L AU - Clark, A F PY - 1979 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-1633 DO - 10.6028/NBS.IR.80-1633 ER -