@article{
    journals/neco/OjaP04,
    author = "Oja, Erkki and Plumbley, Mark D.",
    title = "Blind Separation of Positive Sources by Globally Convergent Gradient Search",
    ee = "http://neco.mitpress.org/cgi/content/abstract/16/9/1811",
    journal = "Neural Computation",
    number = "9",
    volume = "16",
    year = "2004",
    bibsource = "DBLP, http://dblp.uni-trier.de",
    pages = "1811-1825"
}