Савенко, Я., and О. Сичов. “Single-Channel Power Meter for Registration of Human Millimeter Radiation”. Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, no. 53, July 2013, pp. 119-25, doi:10.20535/RADAP.2013.53.119-125.