TY - BOOK AU - Blaauw, Adriaan, ed. AU - Schmidt, Maarten, ed. TI - Galactic structure T2 - Stars and stellar systems; v. 5 PY - 1965/// CY - Chicago PB - University of Chicago Press KW - Astronomy and Astrophysics Thesaurus KW - Extragalactic System KW - Galaxies KW - Galaxy ER -