Pandit, Suhas, and Selvakumar A. “Embeddings of 4-Manifolds in $S^4 \tilde{\times} S^2$”. Topology Proceedings 63 (July 23, 2023): 57–86. Accessed June 30, 2026. https://www.topologyproceedings.org/index.php/tp/article/view/169.