Z. Q. Zhang and Y. Zhang and D. L. Li, The Flotation Device Designed to Treat Phosphate Rock. journal = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology. February 2019, vol. 147(3). 129 - 132 [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/10010120.