TY - RPRT TI - Security guide for interconnecting information technology systems AU - Grance, T AU - Hash, J AU - Peck, S AU - Smith, J AU - Korow-Diks, K PY - 2002 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 800-47 DO - 10.6028/NIST.SP.800-47 ER -