TY  - BOOK
AU  - Gelder, Erich
TI  - Transistor as a switch - vol.22
T2  - Programmed instruction
SN  - 81-224-0346-8
CY  - New Delhi
KW  - Electrical engineering
KW  - Siemens -- Programmed instruction : Transistors
KW  - Transistors -- Switch
N1  - Reprint year 1991
ER  -