TY  - BOOK
AU  - Schalen, Carl.
TI  - Space distribution of B & A type stars in bright & dark galactic regions:researches based on determinations of spectral type & luminosity class for 4300 stars   
U1  - 524.66-314 SCH 
PY  - 1928///
PB  - Algunist & Wiksells Boktryckeri
KW  - Star
KW  -  Distribution
ER  -