TY  - BOOK
AU  - Houstoun [r A], 
TI  - Treatise On Light, 7th Edn
U1  - 535 
PY  - 1949///
CY  - London
PB  - LONGMANS GREEN & Co.
KW  - General Stack
KW  - Natural Sciences
KW  - PhysicsLight
KW  - Generalia
ER  -