TY  - BOOK
AU  - RYDER, JOHN D.
TI  - NETWORKS, LINES AND FILDS
SN  - 8120302990
U1  - 621.385 1/RYD 
PY  - 2003///
CY  - NEW DELHI.
PB  - PRENTICE HALL OF INDIA PVT. LTD., NEW DELHI.
ER  -