TY  - BOOK
AU  - Lakshminarayanan, Vasudevan
AU  - Thyagarajan, K.
AU  - Ghatak, Ajoy K.
TI  - Lagrangian Optics
SN  - 0792375823
U1  - 535.32 LAK 
PY  - 2002///
CY  - Boston
PB  - Kluwer Academic Publishers
KW  - Geometrical optics
ER  -