@incollection{HanssonBASDL,
	Author = {Hansson, Bengt},
	Crossref = {HilpinenDL},
	Date-Added = {2017-12-10 17:32:40 +0000},
	Date-Modified = {2017-12-21 18:39:39 +0000},
	Pages = {121-147},
	Title = {An analysis of some deontic logics}}