%0 Journal Article %T IMPROVEMENT OF THE TECHNOLOGY OF COFFEE EXTRACTION %A Shtefanova, O.. %A Lisitsyn, V.. %A Razymovkiy, D.. %A Lysova, V.. %K coffee, grain size composition of coffee, method of diffusion battery, cold extraction %J Vestnik of Astrakhan State Technical University %D 2014 %N 2014 %P 5 %I Astrakhan State Technical University