Indexes to Find the Optimal Number of Clusters in a Hierarchical Clustering. - José David Martín-Fernández; José María Luna-Romera; Beatriz Pontes; José Cristóbal Riquelme Santos (SOCO, 2019)

Simultaneous Evolutionary Optimization of Features Subset and Clusters Number. - José David Martín-Fernández; Beatriz Pontes; José C. Riquelme (GECCO Companion, 2023)