TY  - BOOK
AU  - ERNST MACH
TI  - THE PRINCIPLES OF PHYSICAL OPTICS
U1  - GN535.209M119P 
PY  - 1925///
CY  - LONDON
PB  - DOVER PUBLICATIONS, INC.
KW  - THE PRINCIPLES OF PHYSICAL OPTICS
N1  - MODERN BOOK HOUSE
ER  -