TY  - BOOK
AU  - Prakash, Satya
TI  - Optics and atomic physics / 
U1  - 530 PRA 22nd ed. 
PY  - 1985///
CY  - Agra
PB  - Ratan Prakashan Mandir
KW  - Fermat's principles
KW  - Physical optics
ER  -