TY  - BOOK
AU  - Stallings, William
TI  - Business data communications
SN  - 0029461723
AV  - HF 5548.2 S82 1990 CIRC 
CY  - 0024154318
KW  - Data processing
KW  - Communications systems
KW  - Local area networks
KW  - Data transmission systems
N1  - Includes bibliography and index
ER  -