TY  - BOOK
AU  - Duck,Michael
AU  - Read,Richard
TI  - Data communications and computer networks: for computer scientists and engineers 
SN  - 0130930474
PY  - 2003///
CY  - Harlow, England ; , New York : 
PB  - Pearson/Prentice Hall, 
KW  - Computer networks
KW  - Data transmission systems
KW  - OSI (Computer network standard)
N1  - Includes bibliographical references (p. 399-400) and index
ER  -