1. Bai X (2011) Research on the imaging technology of tree roots detected by ground penetrating radar. Graduate School of Chinese Academy of Sciences, University of Chinese Academy of Sciences, Beijing
2. Chen C, Liang Y, Yang K et al (2016) Damage to ecological environment by coal mining in sandblown area and prevention strategy. Coal Technol 35(5):10–12
3. Chi Z, Guo S (2014) Research on surface subsidence law of working face in coal mine area. Coal Technol 12:101–103
4. Cui X, Chen J, Guan L (2009) The application of ground penetrating radar technology in the detection of plant roots. Adv Earth Sci 24(6):606–611
5. Cui X, Chen J, Shen J et al (2011) Estimation model of tree root diameter and new method for root biomass estimation based on ground penetrating radar. Sci China Earth Sci 2:243–252