@article{articlea26f0d1d,
title   = {Ground state configurations of vertically coupled quantum rings},
author = {Castelano, L. K. and Hai, Guo-Qiang and Partoens, B. and Peeters, F. M.},
year = {2007},
doi = {10.1002/pssc.200673275},
journal   = {Physica Status Solidi C}
}