TY  - BOOK
AU  - Gray,Truman S.
TI  - Applied electronics: a first course in electronics, electron tubes, and associated circuits 
T2  - Principles of electrical engineering series
AV  - TK7816 G745
PY  - 1954///]
CY  - New York
PB  - John Wiley & Sons
KW  - Electrónica
N1  - "A publication of the Technology Press, Massachusetts Institute of Technology"
ER  -