@article{Grigor'ev2018photosynthetic,
author={Grigor'ev, K.V. and Shashkarov, L..},
title={PHOTOSYNTHETIC ACTIVITY OF SWEET CLOVER OF THE SECOND YEAR OF LIFE},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2018},
pages={29-33},
volume={12},
issue={4},
}