@unpublished {KarimiVavasisDet,
	title = {Detecting and correcting loss of independence in nonlinear conjugate gradient},
	year = {2012},
	note = {Arxiv link: <a href="http://arxiv.org/abs/1202.1479">http://arxiv.org/abs/1202.1479</a>},
	author = {S. Karimi and S. Vavasis}
}
