TY  - BOOK
AU  - Wells,Robert
TI  - Messages, men and miles: electronic communcations, how they work 
U1  - 621.38 
PY  - 1958///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Telecommunication
KW  - Juvenile literature
KW  - Electronics
N1  - Includes index
ER  -