@article{article00d376bd,
title   = {Two-dimensional electron states bound to an off-plane donor in a magnetic field},
author = {Alfonso, A. Bruno and Cândido, L. and Hai, Guo-Qiang},
year = {2010},
doi = {10.1088/0953-8984/22/12/125801},
journal   = {Journal of Physics: Condensed Matter}
}