References
Pauline Westerman
Validity: the reputation of rules
2018
in: Legal validity and soft law, Dordrecht : Springer
Legal validity and soft law2018
with Hage Jaap, Kirste Stephan, Mackor Anne Ruth (ed)
Dordrecht, Springer
Formal justice as a common language
2001
in: Pluralism and law, Dordrecht : Springer