Akram Keramat and  Behrouz Marivani and  Mehdi Samsami,  Climatic Change, Drought and Dust Crisis in Iran.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2011, vol. 57(9). 472 - 475
    [viewed 24 September 2020]. Available from: https://publications.waset.org/pdf/3334.