TY  - BOOK
AU  - Kroes, Th. J.
TI  - Tube and semiconductor selection guide, 1960-1961
U1  - 537.622 
PY  - 1960///
CY  - Holland
PB  - Philips Technical Library
KW  - Semiconductors
KW  - Vacuum-Tubes
N1  - English, French, German, Spanish Test 1st Ed. Has Title : Tube Selection Guide
ER  -