@article{articlea24f255c,
title   = {Magnetic structures of small Fe, Mn, and Cr clusters supported on Cu(111): Noncollinear firstprinciples calculations},
author = {Bergman, Anders and Nordstrom, Lars and Klautau, A. B. and Pessoa, Sonia Frota},
year = {2007},
doi = {10.1103/physrevb.75.224425},
journal   = {Physical Review B}
}