Schmidt, Rezső, and Pál Szakál. “The Application of Copper and Zinc Containing Ion-Exchanged Synthesised Zeolite in Agricultural Plant Rowing”. Nova Biotechnologica et Chimica 7, no. 1 (January 13, 2022): 57–62. Accessed October 27, 2026. https://office.nbc-journal.org/index.php/NBC/article/view/1359.