TY  - GEN
AU  - Walker, Bruce H.             
TI  - Optical engineering fundamentals
SN  - 8120324072
U1  - 681.4 
PY  - 2003///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Optics
KW  - Lenses
KW  - Optical instruments
N1  - Includes bibliographical references (p. 309-312) and index
ER  -