Liu, X., Z. Han, Y.-S. Liu, and M. Zwicker. “Point2Sequence: Learning the Shape Representation of 3D Point Clouds With an Attention-Based Sequence to Sequence Network”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 33, no. 01, July 2019, pp. 8778-85, doi:10.1609/aaai.v33i01.33018778.