TY  - BOOK
AU  - Roberts,Arthur
TI  - Radar beacons.: Office of Scientific Research and Development National Defense Research Committee 
U1  -  621.34 
PY  - 1947///
CY  - New York
PB  - McGraw-Hill Book
KW  - Electromagnetism
KW  - Magnetic devices
KW  - Magnetic engineering
N1  - Includes index
ER  -