TY  - BOOK
AU  - Godbole, Achyut S.,
TI  - Data Communications and Networks
SN  - 0070472971
U1  - 004.6 
PY  - 2002///
CY  - New Delhi
PB  - Tata McGraw Hill Publishing Company Limited, 
N1  - This book also having Appendix A,B,C, from 463-475
ER  -