M. R. Kamandar and  J. Massah,  An Efficient Approach for Shear Behavior Definition of Plant Stalk .   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2019, vol. 153(9). 239 - 243
    [viewed 27 January 2021]. Available from: https://publications.waset.org/pdf/10010788.