TY - RPRT TI - Development of standards for superconductors- final report January 1988-December 1989 AU - Goodrich, L F AU - Goldfarb, R B AU - Bray, S L PY - 1990 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 90-3935 DO - 10.6028/NIST.IR.90-3935 ER -