TY  - BOOK
AU  - STONE,ELLERY
TI  - ELEMENTS OF RADIOTELEGRAPHY
U1  - PE27 
PY  - 1920///
CY  - LONDON
PB  - CROSBY LOCKWOOD AND SON
N1  - PE mean Physics, Electricity and Magnetism Page 450-456 in A to Z Register (Acc. No. Pe1-Pe205)
ER  -