TY  - BOOK
AU  - Newton, Isaac
TI  - Optics : or, a Treatise of the Reflections, Refractions, Inflections and Colours of Light
U1  - 535 
KW  - Physics
KW  - Light
N2  - Project Gutenberg EBook of Opticks, by Isaac Newton
UR  - https://www.gutenberg.org/files/33504/33504-h/33504-h.htm
ER  -