TY  - BOOK
AU  - Boutry, G. A.
AU  - Auerbach, R., Tr.
TI  - Instrumental optics
U1  - 535.8 
PY  - 1961///
CY  - London
PB  - Hilger & Watts
KW  - Optical instruments
KW  - Optics
N1  - Translation Of Optique Instrumentale
ER  -