TY  - BOOK
AU  - NEWTON, Isaac
AU  - HUYGENS, Christian
TI  - Mathematical principles of natural philosophy
PY  - 1952///
CY  - Chicago
PB  - William Benton
KW  - Mechanics
KW  - Early works to 1800
KW  - Celestial mechanics
KW  - Optics
KW  - Wave theory of light
N1  - Optics by Isaac Newton  - Treatise on light / Christian Huygens
ER  -