TY  - BOOK
AU  - Torrey,Henry Cutler
AU  - Whitmer,Charles Austin
AU  - Goudsmit,Samuel Abraham
ED  - National Defense Research Committee.
TI  - Crystal rectifiers / 
U1  - 621.3841362 
PY  - 1948///
CY  - New York : 
PB  - McGraw-Hill Book Co.
KW  - RADIO
KW  - RECTIFICADORES
ER  -