Hess, S. et al. 2019. The SpectACl of Nonconvex Clustering: A Spectral Approach to Density-Based Clustering. Proceedings of the AAAI Conference on Artificial Intelligence. 33, 01 (Jul. 2019), 3788–3795. DOI:https://doi.org/10.1609/aaai.v33i01.33013788.