@article{Yudina2013organization,
author={Yudina, E.. and Nesterenko, L.. and Burlov, V..},
title={Organization of educational process on descriptive geometry in Penza state technological academy},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2013},
pages={14-17},
volume={1},
issue={2},
}