00513naa#a2200169#i#450# EN\RIOR\bibl\9474 20241121184051.4 2308-0191 20151225b2015####ek#y0engy0150####ca RUS RU Application of modern geotechnologies for protection of territories against rockfall processes Journal article Moscow INFRA-M Academic Publishing LLC. 2015 4 с. Journal article local Nuykin Sergey conarc.ru