http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Materialy XVIII sʺezda professionalʹnykh soi︠u︡zov SSSR
Materialy 18-go sʺezda professionalʹnykh soi︠u︡zov SSSR
Materialy vosemnadt︠s︡atogo sʺezda professionalʹnykh soi︠u︡zov SSSR
Vsesoi︠u︡znyĭ sezd professionalʹnykh soi︠u︡zov 1987 : Moscow, R.S.F.S.R.)