@article {6334,
	title = {Quantum step heights in hysteresis loops of molecular magnets},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2002},
	pages = {2244011-2244016},
	author = {Jie Liu and Biao Wu and Libin Fu and Roberto B. Diener and Qian Niu}
}
