TY  - BOOK
AU  - Ehrlich, Margarete
TI  - Photographic dosimetry of X- and gamma rays
U1  - 539.778 EHR 1954 
PY  - 1954///
CY  - Washington
PB  - U. S. Department of Commerce
KW  - Photographic dosimetry
N1  - Kaynakça var
ER  -