TY  - RPRT
TI  - Secure data network system (SDNS) network, transport, and message security protocols 
AU  - Dinkel, Charles
PY  - 1990
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 90-4250
DO  - 10.6028/NIST.IR.90-4250
ER  -