References
Brian H. Bix
Kelsen in the United States: still misunderstood
2016
in: Hans Kelsen in America, Dordrecht : Springer
Rules and normativity in law
2015
in: Problems of normativity, rules and rule-following, Dordrecht : Springer
John Austin and constructing theories of law
2013
in: The legacy of John Austin's jurisprudence, Dordrecht : Springer