A detailed spectroscopy of the carbon-rich star BD +57° 2161 L. Začs, M. R. Schmidt, F. A. Musaev, G. A. Galazutdinov and J. Sperauskas A&A, 441 1 (2005) 303-308 Published online: 13 September 2005 DOI: 10.1051/0004-6361:20042417