TY  - BOOK
AU  - Cypser,R.J.
TI  - Communications for cooperating systems: OSI, SNA, and TCP/IP 
SN  - 0201507757
AV  - TK5105.5 .C964 1991
U1  - 621.39/81 
PY  - 1991///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Computer networks
KW  - Computer network architectures
ER  -