TY  - BOOK
AU  - Kharadze, E. K. 
TI  - The Peculiar Stars and Spectral Classification / 
PY  - 1973///
CY  - Dordrecht ; , Boston, 
N1  - Reprint: International Astronomical Union : symposium no. 50 : Spectral classification  and multicolour photometry, Dordrecht, Boston, 1973, pp. 91-94
ER  -