michalke, m. (2016). klausuR: Multiple Choice Test Evaluation (Version 0.12-11). Available from http://r-forge.r-project.org/projects/klausur
			@Manual{,
					title = {klausuR: Multiple Choice Test Evaluation},
					author = {m.eik michalke},
					year = {2016},
					note = {(Version 0.12-11)},
					url = {http://r-forge.r-project.org/projects/klausur},
				}