@article{Baranov2017precision,
author={Baranov, S.G. and Bibik, T.S. and Il'in, L.I.},
title={PRECISION OF MEASUREMENT AND DIRECTED ASYMMETRY IN LEAF PLATES OF BETULA PENDULA ROTH},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2017},
pages={14-21},
volume={12},
issue={2},
}