Susannah G. Fleming Lionel Tarassenko, A Comparison of Signal Processing Techniques for the Extraction of Breathing Rate from the Photoplethysmogram. journal = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2007, vol. 6(6). 366 - 370 [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/13323.