First stars X. The nature of three unevolved carbon-enhanced metal-poor stars
T. Sivarani, T. C. Beers, P. Bonifacio, P. Molaro, R. Cayrel, F. Herwig, M. Spite, F. Spite, B. Plez, J. Andersen, B. Barbuy, E. Depagne, V. Hill, P. François, B. Nordström and F. Primas
A&A, 459 1 (2006) 125-135
DOI: https://doi.org/10.1051/0004-6361:20065440