Binaries discovered by the SPY project - II. HE 1414–0848: A double degenerate with a mass close to the Chandrasekhar limitR. Napiwotzki, D. Koester, G. Nelemans, L. Yungelson, N. Christlieb, A. Renzini, D. Reimers, H. Drechsel and B. LeibundgutA&A, 386 3 (2002) 957-963DOI: https://doi.org/10.1051/0004-6361:20020361