TY  - BOOK
AU  - Newton,Isaac
TI  - Mathematical principles of Natural Philosophy : : Optics
T2  - Great books of the Western World ; 
PY  - 1952///
CY  - Chicago : 
PB  - Encyclopaedia Britannica, 
N1  - Contiene además: Treatise on light / Christiaan Huygens
ER  -