KOTYUK, Lyudmyla A..
 Features of micromorphological structure of medicinal hyssop.
<strong>Modern Phytomorphology</strong>, [S.l.], v. 10, p. 59-67, june 2016.
ISSN 2227-9555.
Available at: &lt;<a href="http://ojs.phytomorphology.org/index.php/MP/article/view/15" target="_new">http://ojs.phytomorphology.org/index.php/MP/article/view/15</a>&gt;. Date accessed: 11 apr. 2018.
doi: <a href="https://doi.org/10.5281/zenodo.155362">https://doi.org/10.5281/zenodo.155362</a>.