Dark baryons not in ancient halo white dwarfs M. Crézé, V. Mohan, A. C. Robin, C. Reylé, H. J. Mc Cracken, J.-C. Cuillandre, O. Le Fèvre and Y. Mellier A&A, 426 1 (2004) 65-73 Published online: 05 October 2004 DOI: 10.1051/0004-6361:20040491