Zhao, B., L. Teng, J.- en Zhang, H. Xiang, M. Li, and K. Liang. “Thigmotropic Responses of Oryza Sativa L. To External Rubbing Stimulation”. Archives of Biological Sciences, vol. 70, no. 1, Mar. 2018, pp. 129-3, https://serbiosoc.org.rs/arch/index.php/abs/article/view/1749.