1. Dornbush, S., Turnquest, A.E.: Physiology, Heart sounds, Treasure Island. StatPearls Publishing, FL (2023)
2. Sanei, S., Jarchi, D., Constantinides, A.G.: Body sensor networking, design and algorithms, Wiley (2020)
3. Thomas, S.L., Heaton, J., Makaryus, A.N.: Physiology, cardiovascular murmurs. [Updated 2023 July 17]. StatPearls Publishing
4. 2023 Jan. (2023). https://www.ncbi.nlm.nih.gov/books/NBK525958/
5. Elsner, J.B., Tsonis, A.A.: Singular Spectrum Analysis: A New Tool in Time Series Analysis, Springer Science and Business Media (1996)