TY JOUR TI Transducers installation for research of wood boring old cut tree stumps KW strain gauges KW fastening device KW measuring bridge. JO Actual directions of scientific researches of the XXI century: theory and practice AU Fedorov, O.. AU Rybalkin, D.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov