@article {17683,
	title = {Algorithm 844: Computing sparse reduced-rank approximations to sparse matrices},
	journal = {ACM Transactions on Mathematical Software-TOMS},
	volume = {31},
	year = {2005},
	month = {2005///},
	pages = {252 - 269},
	author = {Berry,M. W and Pulatova,S. A and Stewart, G.W.}
}
