TY  - BOOK
AU  - Williams, Charles Sumner
AU  - Becklund, Orville A
TI  - Optics: a short course for engineers & scientists 
AV  - QC 357.2 W55
PY  - 1972///
CY  - New York
PB  - Wiley-Interscience
KW  - Optica
ER  -