Ragauskas, A. (2008) “Non-invasive Technology for Monitoring of Intracranial Volumetric Pulse Waves and Trends”, Elektronika ir Elektrotechnika, 86(6), pp. 51–54. Available at: https://eejournal.ktu.lt/index.php/elt/article/view/11183 (Accessed: 7 February 2026).