TY  - RPRT
TI  - Working implementation agreements for open systems interconnection protocols 
AU  - Boland, Tim
PY  - 1989
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 89-4140
DO  - 10.6028/NIST.IR.89-4140
ER  -