TY  - BOOK
AU  - HUGHES, LARRY
TI  - INTRODUCTION TO DATA COMMUNICATION A PRACTICAL APPROCAH
SN  - 8173191794
U1  - 005.71/HUG 
PY  - 1999///
CY  - NEW DELHI.
PB  - NAROSA PUBLISHING HOUSE PVT. LTD., NEW DELHI
ER  -