TY - GEN AU - Timothy Grance AU - Joan Hash AU - Marc Stevens AU - K O'Neal AU - N Bartol C2 - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD DA - 2003-10-13 LA - en PB - Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD PY - 2003 TI - Guide to Information Technology Security Services UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=906567 ER -