@article{ren2023xcube,
            title={XCube: Large-Scale 3D Generative Modeling using Sparse Voxel Hierarchies}, 
            author={Xuanchi Ren and Jiahui Huang and Xiaohui Zeng and Ken Museth 
                    and Sanja Fidler and Francis Williams},
            journal={arXiv preprint},
            year={2023}
        }