TY  - BOOK
AU  - Quarterman,John S.
TI  - The Matrix: Computer Networks and conferencing Systems Worldwide 
SN  - 1555580335 :
AV  - TK5105.5 .Q37 1990
U1  - 621.382 20
PY  - 1990///
CY  - Bedford, Mass.
PB  - Digital Press
KW  - Computer networks
KW  - Telecommunication
KW  - Computer conferencing
N1  - Includes bibliographical references and index
ER  -