TY  - BOOK
AU  - Clifford,Harry Ellsworth
ED  - Harvard University.
TI  - Electronic circuits and tubes,
U1  - 621.38 
PY  - 1947///
CY  - New York
PB  - McGraw-Hill Book Co.
KW  - ELECTRÓNICA
N1  - Vol. I of the lecture material of a special wartime training course given in the Graduate School of Engineering, Harvard University; intended to precede Transmission lines, antennas, and wave guides, by R. W. P. King, H. R. Mimno and A. H. Wing, published 1945
ER  -