References
Jaap Hage
What is legal validity?: lessons from soft law
2018
in: Legal validity and soft law, Dordrecht : Springer
Legal validity and soft law2018
with Westerman Pauline, Kirste Stephan, Mackor Anne Ruth (ed)
Dordrecht, Springer
Separating rules from normativity
2015
in: Problems of normativity, rules and rule-following, Dordrecht : Springer
Three kinds of coherentism
2013
in: Coherence, Dordrecht : Springer
Legal logic its existence, nature and use
2001
in: Pluralism and law, Dordrecht : Springer