TY  - BOOK
AU  - Waters, Gill.
TI  - Computer communication networks
SN  - 0077073258 :
U1  - 004.6 WAT 
PY  - 1991///
CY  - London, New York
PB  - McGraw-Hill Book Co.
KW  - Computer networks
N1  - Includes bibliographical references and index
ER  -