TY  - BOOK
AU  - Newton,Huygens
AU  - Hutchins,Maynard
AU  - Huygens,Christiaan
TI  - Mathematical principles of natural philosophy optics / 
U1  - 535 NEW  
PY  - 1952///
CY  - Chicago : 
PB  - William Benton, Inc.
KW  - Light
KW  - Optics
KW  - Phenomena
N1  - Tratise on light
ER  -