@article{Grebenshchikov2014economic,
author={Grebenshchikov, Y.. and Melnikov, A.. and Melnikov, K..},
title={ECONOMIC EFFICIENCY OF FISHING EFFORT},
journal={Vestnik of Astrakhan State Technical University. Series: Fishing industry},
publisher={Astrakhan State Technical University},
year={2014},
pages={50-55},
volume={2014},
issue={2},
}