TY  - BOOK
AU  - Fehrenbach,Charles
AU  - Westerlund,Bengt E.
ED  - International Astronomical Union
TI  - Spectral classification and multicolour photometry: Symposium No. 50 held in Villa Carlos Paz, Argentina, October 18-24, 1971. 
SN  - 9027702802
PY  - 1973///
CY  - Dordrecht, Boston
PB  - D. Reidel Publ. Co.
KW  - Stars
KW  - Spectra
KW  - Classification
KW  - Congresses
KW  - Astronomical photometry
N1  - Includes bibliogr. references
ER  -