Coupling and electrodesMetshein, MargusBioimpedance and Spectroscopy2021 / p. 3-50 : ill https://doi.org/10.1016/B978-0-12-818614-5.00010-2 https://ebookcentral.proquest.com/lib/tuee/reader.action?docID=6644985&ppg=48 PPG and bioimpedance-based wearable applications in heart rate monitoring – a comprehensive reviewLapsa, Didzis; Janeliukstis, Rims; Metshein, Margus; Selavo, LeoApplied sciences2024 / art. 7451 https://doi.org/10.3390/app14177451 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS