Golovko, E.A., T.S. Shrol, N.E. Ellanska, and I.G. Khokhlova. “Eco-Allelopathіс Investigations of Slames of the Copper Ore Enterprises of Bulgaria”. Plant Introduction 9 (June 1, 2001): 92-97. Accessed September 15, 2024. https://plantintroduction.org/index.php/pi/article/view/1256.