%0 Journal Article %T Plaster Mortar Composition Design for the Restoration of Stone and Brick Architecture Monuments %A Safonova, T.Y. %K Gypsum, lime, metakaolin, filler, compressive strength %J Proceedings of Petersburg Transport University %D 2022 %N 19 %P 9 %I FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"