IWASE, Norio and MIYATA, Yuya. Topological complexity of $S^3/Q_8$ as fibrewise L-S category. Topological Methods in Nonlinear Analysis. Online. 23 September 2023. Vol. 62, no. 1, pp. 239 - 265. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2022.068.