@ARTICLE {4214,
author={Eduardo V. Castro and N. M. R. Peres and T. Stauber and N. A. Silva},
doi={10.1103/PhysRevLett.100.186803},
journal={Physical Review Letters},
title={Low-Density Ferromagnetism in Biased Bilayer Graphene},
year={2008},
month={May},
volume={100},
number={18},
pages={186803-1-186803-4},
ISSN={0031-9007}
}