TY  - BOOK
AU  - Hershey, John E.
AU  - Yarlagadda, R. K. Rao
TI  - Data transportation and protection
U1  - 001.64404 
PY  - 1986///
CY  - New York
PB  - Plenum Press
KW  - Data Transmission Systems
KW  - Data Transmission Systems -- Security Measures
ER  -