00598naa#a2200181#i#450# EN\\bibl\2037 20240517120158.5 1995-042X 20140421b2014####ek#y0engy0150####ca RUS RU Development of caravanning and trailering in depressed rural settlements of the Nonblack Soil Zone of Central Russia Journal article CHERKIZOVO Russian State University of Tourism and Service 2014 9 с. Journal article local Ermakov Aleksandr Kondakova Tatyana rguts.editorum.ru