TY JOUR TI Granulometric and 2-D Fourier analisis of the form of grains of coffee KW coffee grain KW granulometric analysis KW spectral analysis KW Fourier-descriptors JO Russian Journal of Biological Physics and Chemisrty AU Degtyar, A.D. AU Lisyutin, V.A. AU Baybakov, R.A. AU Solodyankina, C.S. PY 2017 IS 2 PB Federal State Educational Institution of Higher Education Sevastopol State University