@Conference{Vellido-et-al:2008,
    Author = "Vellido, A. and Juli\`a-Sap\'e, M. and Romero, E. and Ar\'us, C.",
     Title = "{Nonlinear Dimensionality Reduction for the Exploration of Outliers in a Multicentre ^1H-MRS Database of Brain Tumours}",
 Booktitle = "{Annual Meeting of the European Society for Magnetic Resonance in Medicine and Biology}",
      Year = "2008",
     Pages = "281-284",
}