Ehsan Shahrabian and  Ali Soleymani,  Drought Stress Indices in Some Silage Maize Cultivars.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 87(3). 291 - 295
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/9998301.