Zlobin Д.В., ZlobinKuleshova Д.С. and ZlobinKuleshovaMuravieva О.В. 2012. Technique and Device of Gain-Frequency Characteristics Measuring for Electronic Auscultation Sensors. Vestnik IzhGTU imeni M.T. Kalashnikova. 4 (Dec. 2012), 110–115.