TY  - BOOK
AU  - Beynon,John
TI  - Introductory University optics / 
SN  - 8120312732
U1  - 535 
PY  - 1998///
CY  - New Delhi : 
PB  - Prentice Hall of India , 
KW  - OPTICS
N1  - NULL
ER  -