TY  - BOOK
AU  - 
TI  - A guide to packet-switched, value-added networks
SN  - 0070544697
AV  - TK5105 .S7 1986
U1  - 621.398/1 19
PY  - 1986///
CY  - New York
PB  - Collier Macmillan
KW  - Data transmission systems
KW  - Packet switching (Data transmission)
N1  - Includes index; Bibliography: p. 128-129
ER  -