I. Sommerville and P. Sawyer, Requirements engineering: a good practice guide, 1997.

A. Mavin, P. Wilkinson, A. Harwood, and M. Novak, Easy Approach to Requirements Syntax (EARS), 2009 17th IEEE International Requirements Engineering Conference, pp.317-322, 2009.
DOI : 10.1109/RE.2009.9

I. Hooks, WRITING GOOD REQUIREMENTS, INCOSE International Symposium, pp.1247-1253, 1994.
DOI : 10.1002/j.2334-5837.1994.tb01834.x

I. F. Alexander and R. Stevens, Writing better requirements, 2002.

F. Chantree, B. Nuseibeh, A. De-roeck, and A. Willis, Identifying Nocuous Ambiguities in Natural Language Requirements, 14th IEEE International Requirements Engineering Conference (RE'06), pp.59-68, 2006.
DOI : 10.1109/RE.2006.31

B. Meyer, On Formalism in Specifications, IEEE Software, vol.2, issue.1, pp.6-26, 1985.
DOI : 10.1109/MS.1985.229776

N. Carlson and P. Laplante, The NASA automated requirements measurement tool: a reconstruction, Innovations in Systems and Software Engineering, pp.77-91, 2013.
DOI : 10.1109/SEW.2003.1270722

P. Clark, W. R. Murray, P. Harrison, and J. Thompson, Naturalness vs. Predictability: A Key Debate in Controlled Languages, Controlled Natural Language, pp.65-81, 2010.
DOI : 10.1007/978-3-642-14418-9_5

T. Kuhn, A Survey and Classification of Controlled Natural Languages, Computational Linguistics, vol.8, issue.4, pp.121-170, 2014.
DOI : 10.1007/978-3-642-14418-9_17

C. Kamprath, E. Adolphson, T. Mitamura, and E. Nyberg, Controlled language for multilingual document production: Experience with Caterpillar technical English, Proceedings of the Second International Workshop on Controlled Language Applications, 1998.

N. Fuchs and R. Schwitter, Controlled English for Requirements Specifications, IEEE Computer Special Issue on Interactive Natural Language Processing, 1996.

A. Condamines and M. Warnier, Towards the creation of a CNL adapted to requirements writing by combining writing recommendations and spontaneous regularities: example in a space project, Language Resources and Evaluation, vol.29, issue.1, pp.1-27, 2016.
DOI : 10.1016/S0378-2166(97)00014-3
URL : https://hal.archives-ouvertes.fr/halshs-01379521

S. K. Shubert, J. H. Spyridakis, H. K. Holmback, and M. B. Coney, The comprehensibility of simplified English in procedures, Journal of technical writing and communication, vol.25, issue.4, pp.347-369, 1995.

S. Chervak, C. G. Drury, and J. P. Ouellette, Simplified English for Aircraft Workcards, Proceedings of the Human Factors and Ergonomics Society Annual Meeting, pp.303-307, 1996.
DOI : 10.1177/154193129604000502

K. M. Stewart, Effect of AECMA simplified English on the comprehension of aircraft maintenance procedures by nonnative English speakers, 1998.

J. Krisch and F. Houdek, The myth of bad passive voice and weak words an empirical investigation in the automotive industry, 2015 IEEE 23rd International Requirements Engineering Conference (RE), pp.344-351, 2015.
DOI : 10.1109/RE.2015.7320451

R. K. Yin, Applications of Case Study Research, 2003.

F. Ganier, ?valuer l'efficacit? des documents techniques proc?duraux?: un panorama des m?thodes, Le travail humain, vol.65, issue.1, 2002.
DOI : 10.3917/th.651.0001

W. D. Perreault, Controlling Order-Effect Bias, Public Opinion Quarterly, vol.39, issue.4, pp.544-551, 1975.
DOI : 10.1086/268251

M. D. De, L. R. Jong, and . Lentz, Expert Judgments Versus Reader Feedback: A Comparison of Text Evaluation Techniques, Journal of Technical Writing and Communication, vol.26, issue.4, pp.1-1, 1996.