@article{Kovalev2015sexual,
author={Kovalev, L.I. and Kukharenko, N.S. and Fedorova, A.O.},
title={SEXUAL CYCLICITY RESTORATION IN COWS AND FIRSTCALF HEIFERS AFTER CALVING},
journal={Bulletin of KSAU},
publisher={Krasnoyarsk State Agrarian University},
year={2015},
pages={258-260},
volume={},
issue={12},
}