@article{Grebenyukov2009izuchenie,
author={Grebenyukov, V..},
title={Izuchenie mezolita Severnogo Kazakhstana (do kontsa 80-kh gg. KhKh stoletiya)},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2009},
pages={3-7},
volume={0},
issue={2},
}