TY  - BOOK
AU  - Smith, P.S
TI  - 50 photoelectric circuits and systems
SN  - 0592028178
AV  - TK 8304 Smi 
PY  - 1972///
CY  - London
PB  - Iliffe Books
KW  - ELECTRONIC CIRCUITS
KW  - OPTOELECTRONIC DEVICES
ER  -