TY  - BOOK
AU  - Pierce,John Robinson
TI  - Electrons, waves, and messages
AV  - TK7819 .P5
U1  - 621.38621.34* 
PY  - 1956///
CY  - Garden City, N.Y.
PB  - Hanover House
KW  - Electronics
KW  - Popular works
KW  - Local
KW  - Telecommunication
N1  - Includes index
ER  -