TY  - BOOK
AU  - FLEMING (J A)
TI  - Introduction to wireless telegraphy and telephony
U1  - 535/34 
PY  - 1924///
CY  - London
PB  - Sir Isaac Pitman & Sons Ltd.
KW  - wireless
KW  - telephony
KW  - telegraphy
KW  - Introduction
ER  -