TY - GEN AU - A F Clark AU - J W Ekin AU - D F Vecchia AU - L F Goodrich C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1984-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.260-91 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1984 TI - Standard Reference Materials:Critical current measurements on an NbTi superconducting wire standard reference material ER -