TY  - BOOK
AU  - Nussbaum,Allen
TI  - Gepmetric optics
U1  - 621.3881 NUS  
PY  - 1968///.
CY  - London : 
PB  - Addison - Wesley publishing company, 
KW  - Lenses
KW  - Optics
N1  - Includes index
ER  -