@misc{misc282407dc,
title   = {Exact and approximate relations for the spin-dependence of the exchange energy in high magnetic fields},
author = {Morbec, Juliana M. and Capelle, Klaus},
year = {2009},
doi = {10.1142/S0217979209062712},
publisher = {World Scientific Publishing},
booktitle   = {International Conference on High Magnetic Fields in Semiconductor Physics and Nanotechnology}
}