TY - RPRT TI - Development of standards for superconductors : interim report October 1980 - January 1982 AU - Clark, A F AU - Goodrich, L F AU - Fickett, F R AU - Minervini, J V PY - 1982 PB - National Bureau of Standards CY - Gaithersburg, MD SN - NBS IR 82-1678 DO - 10.6028/NBS.IR.82-1678 ER -