TY  - BOOK
AU  - Herman,R.A.
ED  - Asutosh Collection (National Library, India)
TI  - A treatise on geometrical optics
U1  - 535.3 
PY  - 1900///
CY  - Cambridge
PB  - The University Press
KW  - Geometrical optics
N1  - Includes index
ER  -