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APA Citation
Lu, K., Li, X., Fan, Y., Zhou, J., Qi, Z., Li, W., & Li, H. (2021). the application of multi-grounded source transient electromagnetic method in the detections of coal seam goafs in Gansu Province, China. Journal of geophysics and engineering, 18, 515–528. http://access.bl.uk/ark:/81055/vdc_100139605929.0x000019