TY  - BOOK
AU  - Say,M.G.
AU  - Molly,E.
TI  - Crystal rectifiers and transistors
U1  - 621.381 
PY  - 1954///
CY  - London
PB  - George Newnes
KW  - Crystal detectors
KW  - Transistors
KW  - Semiconductors
KW  - Electronic apparatus and appliances
N1  - Includes index
ER  -