Michalke, M. (2017). rk.FactorAnalysis: RKWard GUI to conduct principal component and factor analysis (Version 0.01-15). Available from https://rkward.kde.org
			@Manual{,
					title = {rk.FactorAnalysis: RKWard GUI to conduct principal component and factor analysis},
					author = {Meik Michalke},
					year = {2017},
					note = {(Version 0.01-15)},
					url = {https://rkward.kde.org},
				}