TY - JOUR AU - E. Bohm-Vitense BT - The Astrophysical Journal DA - Jan-04-1986 DO - 10.1086/164071 PY - 1986 EP - 262 T2 - The Astrophysical Journal TI - The Cepheid mass problem and Cepheid binaries UR - http://adsabs.harvard.edu/full/1986ApJ...303..262B VL - 303 SN - 0004-637X ER -