@article{PeraltaCalvo:86512,
      author        = "Peralta Calvo, Elena and Lázaro Plaza, Jesús and Bailón
                       Luesma, Raquel and Marozas, Vaidotas and Gil Herrando,
                       Eduardo",
      title         = "{Optimal fiducial points for pulse rate variability
                       analysis from forehead and finger PPG signals}",
      year          = "2019",
}