TY  - GEN
AU  - Acharya, D. P.
TI  - Geometrical optics for advanced students
SN  - 81-204-0247-2 :
U1  - 535.32 
PY  - 1980///
CY  - New Delhi
PB  - Oxford & IBH
KW  - GEOMETRICAL OPTICS
N1  - Includes appendices and index
ER  -