TY JOUR TI Influence of poliarilsulfonate superplasticizer on properties of cement mortar and concrete mix KW superplasticizer KW mobility KW water content KW cement mortar KW concrete mix KW water separation JO Technique and technology of silicates AU Guvalov, A.A. PY 2019 IS 26 PB Individual Entrepreneur Svetlana Vasilievna Samchenko