@article { 2864,
	title = {Reducing combinatorial uncertainties: A new technique based on MT2 variables},
	volume = {1111},
	year = {2011},
	pages = {117},
	publisher = {JHEP},
	address = {Journal of High Energy Physics},
	URL = {http://arxiv.org/abs/arXiv:1109.2201},
	author = {Kiwoon Choi and Diego Guadagnoli and Chan Beom Park}
}