Xu, Kui, Zhe Wang, Jianping Shi, Hongsheng Li, and Qiangfeng Cliff Zhang. “A2-Net: Molecular Structure Estimation from Cryo-EM Density Volumes”. Proceedings of the AAAI Conference on Artificial Intelligence 33, no. 01 (July 17, 2019): 1230-1237. Accessed April 11, 2021. https://ojs.aaai.org/index.php/AAAI/article/view/3918.