TY  - BOOK
AU  - Mann,Ida
AU  - Pirie,Antoinette
TI  - The science of seeing,
T2  - Pelican books, A 157
AV  - QP475 .M25
U1  - 612.84 
PY  - 1946///]
CY  - Harmondsworth, Middlesex, New York
PB  - Penguin Books
KW  - Physiological optics
KW  - Eye
ER  -