Lenti, István, Sándor Vágvölgyi, and Attila Kondor. 2014. “Plantation of ‘energy Willow’ in Szabolcs-Szatmár-Bereg County”. Review on Agriculture and Rural Development 3 (1):240-43. https://www.iskolakultura.hu/index.php/rard/article/view/13429.