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APA Citation
Brophy, J., Strange, N., Goebela, D., Johnson, S., Mazanek, D., & Reeves, D. (2018). characteristics of a high-power ion beam deflection system necessary to deflect the hypothetical asteroid 2017 PDC. Journal of space safety engineering, 5(1), 34–45. http://access.bl.uk/ark:/81055/vdc_100061695742.0x000002