@article{Peláez-Coca:150075,
      author        = "Peláez-Coca, M.D. and Orini, M. and Lazaro, J. and
                       Bailón, R. and Gil, E.",
      title         = "{Cross Time-Frequency Analysis for combining information
                       of several sources. Application to estimation of
                       Spontaneous Respiratory Rate from Photoplethysmography}",
      year          = "2013",
}