TY  - BOOK
AU  - Conrady, A. E.
TI  - Applied optics and optional design: pt. 2
T2  - Dover books on physics, engineering
PY  - 1960///
CY  - New York
PB  - Dover Publications
KW  - Astronomy and astrophysics thesaurus
KW  - Optical design
KW  - Optics
ER  -