Hódiné Szél, M., P. Hódi, S. Csizmadia, and I. Kristó. “The Seeding Parameters of John Deere 1760 Wing-Fold Drawn Planter at Different Speed”. Review on Agriculture and Rural Development, vol. 2, no. 1, Jan. 2013, pp. 252-7, https://iskolakultura.hu/index.php/rard/article/view/13317.