TY  - BOOK
AU  - Baade, Walter
AU  - Payne-Gaposchkin, Gecilia, Ed.
TI  - Evolution of stars and galaxies
U1  - 523.8 
PY  - 1963///
CY  - Cambridge
PB  - Harvard University Press
KW  - Galaxies
KW  - Astronomy
ER  -