TY JOUR TI MODERN TRENDS OF DISTRIBUTION OF GOODS AND SERVICES KW system of distribution of goods and services KW vertical marketing structure KW customer KW market sales KW increased sales volumes and trends of distribution systems JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Bardulin, E.N. AU Laptev, E.V. PY 2013 IS 2013 PB Saint-Petersburg University of State Fire Service of Emercom of Russia