TY JOUR TI Mathematical methods of experiment planning fusion of contemporary rafts KW planning KW experiment KW flow resistance KW rafts alloy KW flat unit. JO Actual directions of scientific researches of the XXI century: theory and practice AU Perfilev, P.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov