WASET
    Frydrysiak M. and  Zięba J. and  Tęsiorowski Ł.,  Noninvasive, Wireless Textronic System to Breath Frequency Measurement.   journal   = {International Journal of Biomedical and Biological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2012, vol. 71(11). 598 - 603
    [viewed 09 May 2024]. Available from: https://publications.waset.org/pdf/10078.