@article{kuhn2014cl,
	title = {A Survey and Classification of Controlled Natural Languages},
	author = {Kuhn, Tobias},
	journal = {Computational Linguistics},
	volume = {40},
	number = {1},
	month = {March},
	year = {2014},
	pages = {121--170},
	publisher = {MIT Press},
	doi = {10.1162/COLI_a_00168},
	url = {http://www.mitpressjournals.org/doi/abs/10.1162/COLI_a_00168},
}