Gunnar Björnsson, Robert Shanklin. 'Must', 'Ought' and the Structure of Standards. In Fabrizio Cariani, Davide Grossi, Joke Meheus, Xavier Parent, editors, Deontic Logic and Normative Systems - 12th International Conference, DEON 2014, Ghent, Belgium, July 12-15, 2014. Proceedings. Volume 8554 of Lecture Notes in Computer Science, pages 33-48, Springer, 2014. [doi]
Abstract is missing.