TY  - GEN
AU  - BLACK, UYLESS
TI  - COMPUTER NETWORKS: PROTOCOLS,STANDARDS,AND INTERFACES
U1  - 004.6 BLA/CO 
CY  - NEW DELHI, PHI LEARNING
KW  - COMMUNICATION BETWEE AND AMONG COMPUTERS AND TERMINALS
KW  - INTRODUCTION TO COMPUTER NETWORKS
ER  -