@ARTICLE{Popov_Anton_Estimation_2011,
 author={Popov, Anton and Karplyuk, Yevgeniy and Fesechko, Volodymyr},
 volume={vol. 57},
 number={No 3},
 journal={International Journal of Electronics and Telecommunications},
 howpublished={online},
 year={2011},
 publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications},
 title={Estimation of Heart Rate Variability Fluctuations by Wavelet Transform},
 URL={http://ochroma.man.poznan.pl/Content/86993/PDF/54.pdf},
 doi={10.2478/v10177-011-0054-3},
}