%0 Book %T Mineral elements in feed and methods for their analysis %A Kosolapov, V.M. %A Chuykov, V.A. %A Khudyakova, K.K. %A Kosolapova, V.G. %K macronutrients, trace elements, feed, methods of analysis %D 2019 %P 272 %I Federal Williams Research Center of Forage Production and Agroecology