@misc{1196626, author = {Tim Boland}, title = {Government open systems interconnection profile users' guide:}, 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.500-163}, language = {en}, }