TY  - BOOK
AU  - Dobson, G.M.B
TI  - Photographic photometry
U1  - 535.2 
PY  - 1926///
CY  - Oxford
PB  - Clarendon Press
KW  - Photographic photometry
KW  - Radiation measurement
KW  - Spectrophotometry
N1  - Includes index
ER  -