TY - RPRT TI - Guide to NIST AU - Covahey, Virginia AU - Covahey, Virginia AU - Ford, Susan AU - Porter, Gail AU - Shaffer, Sharon PY - 1998 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 858e1998 DO - 10.6028/NIST.SP.858e1998 ER -