TY  - RPRT
TI  - A formal description of the SDNS Security Protocol at Layer 4 (SP4) 
AU  - Jansen, Wayne A
PY  - 1992
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 4792
DO  - 10.6028/NIST.IR.4792
ER  -