TY  - BOOK
AU  - Southall,James P.C.
ED  - Asutosh Collection (National Library, India)
TI  - The principles and methods of geometrical optics: especially as applied to the theory of optical instruments 
U1  - 535.3 
PY  - 1910///
CY  - New York
PB  - Macmillan
KW  - Geometrical optics
N1  - Includes index
ER  -