@mastersthesis{
    Vigario94,
    author = "Vig{\'a}rio, R.",
    school = "University of Lisbon, Faculty of Sciences, Portugal",
    date-modified = "2008-11-30 17:24:55 +0200",
    title = "On Linear and Nonlinear PCA Neural Networks: Separation Abilities and Production of Visual Receptive Fields",
    year = "1994",
    type = "Mestrado",
    date-added = "2008-11-30 17:24:08 +0200"
}