00530naa#a2200181#i#450# EN\RIOR\bibl\10517 20240517081750.5 2308-0191 20141225b2014####ek#y0engy0150####ca RUS RU Research of perimeter reinforcement of the ground base by cement-sand mortar injection Journal article Moscow Publishing Center RIOR 2014 5 с. Journal article local Nuzhdin Leonid Nuzhdin Matvey conarc.ru