WASET
    Mecheri Zeid Belmecheri and  Maamar Ahfir and  Izzet Kale,  Robust Heart Sounds Segmentation Based on the Variation of the Phonocardiogram Curve Length.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2023, vol. 202(10). 226 - 230
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013267.