TY  - BOOK
AU  - Elenbaas, W. .
TI  - Light Sources
SN  - 0-8448-0057-0
U1  - 537 
PY  - 1972///
CY  - New York
PB  - Macmillan and co
KW  - Physics
KW  - Light
KW  - G-Physics
ER  -