K. F. Khan and  Samsuddin Khan,  Petro-Mineralogical Studies of Phosphorite Deposit of Sallopat Block of Banswara District, Rajasthan, India.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2016, vol. 114(6). 689 - 696
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10004800.