TY - GEN AU - Grance, Timothy AU - Hash, Joan AU - Stevens, Marc AU - O'Neal, K AU - Bartol, N 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 -