@phdthesis{Casel2018, author = {Katrin Casel}, title = {Lower-Bounded Clustering - Models, Complexity and (Parameterised) Approximation}, type = {doctoralthesis}, school = {Universit{\"a}t Trier}, doi = {10.25353/UBTR-4241-5299-33XX}, year = {2018}, }