TY  - BOOK
AU  - Aldous,W.H
AU  - .Appleton,Edward Victor
TI  - Thermionic vacuum tubes and their applications
T2  - Methuen's monographs on physical subjects
PY  - 1952///]
CY  - London, New York
PB  - Methuen, Wiley
KW  - Vacuum-tubes
N1  - "Original edition...by Edward Appleton."
ER  -