@article{Hlisnikovsk__2016,
title={Effect of Nitrogen,
Boron,
Zinc and Molybdenum Application on Yield of Sunflower (Helianthus annuus L.) on Greyic Phaeozem in the Czech Republic},
volume={39},
ISSN={2197-0483},
url={http://dx.doi.org/10.1515/helia-2015-0011},
DOI={10.1515/helia-2015-0011},
number={64},
journal={Helia},
publisher={Walter de Gruyter GmbH},
author={Hlisnikovský,
L. and Kunzová,
E. and Hejcman,
M. and Škarpa,
P. and Menšík,
L.},
year={2016},
month=jul,
pages={91–111} }