DUDKIN, I. V. et al.
ECOLOGICAL PROBLEMS OF SOIL SCIENCE AND FARMING.
<strong>Vestnik of the Russian agricultural science</strong>, [S.l.], n. 4, p. 72-77, jan. 1970.
ISSN 2500-2082. Available at: &lt;<a href="https://www.vestnik-rsn.ru/vrsn/article/view/1149" target="_new">https://www.vestnik-rsn.ru/vrsn/article/view/1149</a>&gt;. Date accessed: 20 may 2024.
doi: <a href="https://doi.org/10.31857/2500-2082/2023/4/72-77">https://doi.org/10.31857/2500-2082/2023/4/72-77</a>.