TY  - BOOK
AU  - Burch, George J..
TI  - Practical Exercises in Physiological Optics
U1  - 535 
PY  - 1912///
CY  - Oxford
PB  - At the Clarendon Press
KW  - Physiological Optics
KW  - Optics
KW  - G-Physics
ER  -