TY  - BOOK
AU  - Stallings, William
TI  - Data and computer communicatiions / 
SN  - 0024154407
U1  - 001.64404 
PY  - 1985///
CY  - New York
PB  - Macmillan 
KW  - Data transmission system
KW  - Computer networks
N1  - Includes bibliographic reference and index
ER  -