TY - RPRT TI - Development of standards for superconductors : annual report FY 80 AU - Fickett, F R AU - Goodrich, L F AU - Clark, A F PY - 1980 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 80-1642 DO - 10.6028/NBS.IR.80-1642 ER -