@article{Stepanova2010novye,
author={Stepanova, V..},
title={Novye podkhody k otsenke sotsial'no-ekonomicheskikh izmeneniy v Evrope i Amerike v pervoy polovine XIX v.},
journal={Bulletin of Nizhnevartovsk State University},
publisher={Nizhnevartovsk State University},
year={2010},
pages={89-95},
volume={},
issue={4},
}