Tarverdyan, A., A. Altunyan, and G. Yeghiazaryan. 2020. “Theoretical Research on Vibratory Cutting of the Plants Stems in the Dense Environment: Cutting With Vibration”. The Journal of Nature Studies - Annals of Agrarian Science 18 (2). https://journals.org.ge/index.php/aans/article/view/380.