@article{Sokolov2011rekreatsionnye,
author={Sokolov, S..},
title={Rekreatsionnye geograficheskie klastery i problemy ikh konkurentosposobnosti},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2011},
pages={22-30},
volume={},
issue={2},
}