Cheng, X., Ding, M. D., Guo, Y., Zhang, J., Jing, J., & Wiegelmann, T. (2010). Re-flaring of a Post-flare Loop System Driven by Flux Rope Emergence and Twisting. Astrophysical Journal, 716, L68-L73. doi:10.1088/2041-8205/716/1/L68.