TY - RPRT TI - National checklist program for IT products - guidelines for checklist users and developers AU - Quinn, Stephen D AU - Souppaya, Murugiah AU - Cook, Melanie AU - Scarfone, Karen PY - 2018 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 800-70r4 DO - 10.6028/NIST.SP.800-70r4 ER -