@article{Berry2007,
title = {Algorithms and applications for approximate nonnegative matrix factorization},
author = {Michael W. Berry and Murray Browne and Amy N. Langville and V. Paul Pauca and Robert J. Plemmons},
day = {15},
journal = {Computational Statistics \& Data Analysis},
month = {Sep},
number = {1},
pages = {155--173},
url = {http://www.sciencedirect.com/science/article/B6V8V-4MFTTBR-2/1/3986651f267255ef5ab3426ff454aa6c},
volume = {52},
year = {2007},
keywords = {Nonnegative factorization matrix }
}
::