Binaries discovered by the SPY project - III. HE 2209-1444: A massive, short period double degenerateC. A. Karl, R. Napiwotzki, G. Nelemans, N. Christlieb, D. Koester, U. Heber and D. ReimersA&A, 410 2 (2003) 663-669DOI: https://doi.org/10.1051/0004-6361:20031278
