TY  - BOOK
AU  - Sir Isaac Newton: Christiaan Huygens; Robert Maynard Hutchins, ed. in chief.
TI  - 34. Newton and Huygens: Mathematical Principles of Natural Philosophy, Optics, and Treatise on Light: Various translators 
PY  - 1952///
CY  - The University of Chicago
PB  - Encyclopædia Britannica, Inc
ER  -