Muravov, S., S. Voronov, A. Bogorosh, V. Royzman, and A. Bubulis. “Microrelations for Diagnostic Devices”. Elektronika Ir Elektrotechnika, vol. 88, no. 8, Oct. 2008, pp. 29-32, https://eejournal.ktu.lt/index.php/elt/article/view/11228.