TY  - BOOK
AU  - Lenk,John D.
TI  - Handbook of data communications
SN  - 0133773175
PY  - 1984///
CY  - Englewood Cliffs, N.J. : 
PB  - Prentice-Hall, 
KW  - Data transmission systems
KW  - Digital communications
N1  - Includes index
ER  -