TY JOUR TI STATISTICAL REGULARITIES OF PINE CONES TO CREATE UNIVERSAL DEVICES KW cedar cones KW nuts KW universal installation KW sizes KW statistical analysis JO Bulletin of KSAU AU Dyrdin, S.N. AU Labsin, V.A. AU Kholopov, V.N. PY 2015 IS PB Krasnoyarsk State Agrarian University