TY  - BOOK
AU  - Dufay,Jean
TI  - Introduction to astrophysics: the stars 
U1  - 523.01 
PY  - 1964///
CY  - New York
PB  - Dover Publications
KW  - Stars
KW  - Spectra
KW  - Astrophysics
KW  - Photographic measurements
N1  - Bibliography: p. 159-160
ER  -