@article{Besschetnov2014selection,
author={Besschetnov, V.. and Besschetnova, N..},
title={Selection assessment of plus(positive) trees of a pine ordinary on an exit of seeds from cones},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2014},
pages={82-84},
volume={9},
issue={2},
}