TY  - BOOK
AU  - Walrand,Jean
TI  - Communication networks: a first course 
SN  - 0256088640 (hbk.)
PY  - 1991///
CY  - Homewood, IL
PB  - Aksen Associates and Irwin
KW  - Computer networks
N1  - Includes index; Includes bibliographical references
ER  -