TY  - BOOK
ED  - INSTITUTE OF RADIO ENGINEERS
TI  - Proceedings of the Institute of Radio Engineers VOL. 29, No.1-12, 1941
U1  - 621.38405 
PY  - 1941///
CY  - NEWYORK
PB  - INSTITUTE OF RADIO ENGINEERS
KW  - RADIO ENGINEERING
ER  -