@article{Yudina2013pyramid,
author={Yudina, E.. and Nesterenko, L.. and Privalov, I..},
title={Pyramid modeling in COMPASS-3D for metric tasks solving},
journal={Geometry & Graphics},
publisher={INFRA-M Academic Publishing LLC.},
year={2013},
pages={62-66},
volume={1},
issue={2},
}