@misc{1199316, author = {Jeffrey Horlick}, title = {NVLAP program handbook::Computer network interface protocol x.25- requirements for accreditation}, 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.IR.89-4036}, language = {en}, }