TY  - BOOK
AU  - Stallings, William
TI  - Data and computer communications
SN  - 0024154512
U1  - GC 004.6 St18 1988 
PY  - 1988///
CY  - New York, N.Y.
PB  - Macmillan Pub.
KW  - Data transmission systems.
N1  - Includes bibliographical references and index.
ER  -