@article{ScherzFritzVelicuetal.2017,
  author    = {Wilhelm Daniel Scherz and Daniel Fritz and Oana Ramona Velicu and Ralf Seepold and Natividad Mart{\´i}nez Madrid},
  title     = {Heart rate spectrum analysis for sleep quality detection},
  journal   = {EURASIP Journal on Embedded Systems},
  volume    = {2017},
  number    = {26},
  doi       = {10.1186/s13639-017-0072-z},
  year        = {2017},
}