@misc{1129516, author = {Cheryl Helsing and Marianne Swanson and Mary Anne Todd}, title = {Management guide to the protection of information resources:}, year = {1989}, month = {1989-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NIST.SP.500-170}, language = {en}, }