TY JOUR TI PHYSICAL PRINCIPLES OF PROCESSING OFF-GRADE BUCKWHEAT KW buckwheat KW humidity KW hard-separable impurities KW filmness KW germinated grains KW off-grade grain KW spoiled kernel KW drying KW steaming JO Foods and Raw Materials AU Mar'in, V.A. AU Vereshchagin, A.L. PY 2016 IS 4 PB Kemerovo State University