@article {943,
	title = {Analysis of unsupervised dimensionality reduction techniques},
	journal = {Computer Science and Information Systems},
	volume = {6},
	number = {2},
	year = {2009},
	pages = {217-227},
	publisher = {ComSIS Consortium .},
	issn = {1820-0214},
	doi = {http://10.2298/csis0902217K},
	author = {Aswani Kumar, Ch}
}
