TY  - BOOK
AU  - Henson, David B
AU  - 
TI  - Optometric instrumentation
U1  - 612.84:681.4 
PY  - 1983///
CY  - London
PB  - Butterworths
KW  - optometric instrumentation
KW  - Instrumentation: Transducers and interfacing
KW  - Instrumentation
N1  -  Ref. at the end of each  chapter
ER  -