TY  - BOOK
AU  - Johnson, R C
TI  - Spectra
U1  - 535.84 
PY  - 1932///
CY  - London
PB  - Methuen & Co. Ltd.
KW  - General Stack
KW  - Natural science and mathematics
KW  - PhysicsLight & infrared & ultraviolet phenomenaNatural history
KW  - Physics
ER  -