TY  - BOOK
AU  - Grimsehl,E.
AU  - Deans,Winifred M.
AU  - Tomaschek,R.
TI  - A textbook of physics
U1  - 535 
CY  - London
PB  - Blackie & Son 
KW  - Οπτική
N1  - Includes index; v.4. Optics. - xii, 301 p. - 1947
ER  -