TY JOUR TI Application of sapropel from lake Nero, Yaroslavl region, Russia for production of road concrete mixtures KW road concrete mixture KW mineral flour KW sapropel KW features of road concrete JO Smart composite in construction AU Dudin, V.M. AU Smekalov, N.S. AU Okutin, A.E. PY 2021 IS 2 PB Yaroslavl State Technical University