Michalke, M. (2015). rk.ClusterAnalysis: RKWard GUI to conduct k-means, model based and hierarchical cluster analyses (Version 0.01-14). Available from https://rkward.kde.org
			@Manual{,
					title = {rk.ClusterAnalysis: RKWard GUI to conduct k-means, model based and hierarchical cluster analyses},
					author = {Meik Michalke},
					year = {2015},
					note = {(Version 0.01-14)},
					url = {https://rkward.kde.org},
				}