Antoinette SCHRAUWEN (ed), Flexibility in Constitutions: Forms of Closer Co-operation in Federal and Non-Federal Settings, Groningen, Europa Law, 2002, 2, 31-40, The Hogendorp papers
DE WITTE, Bruno, The Ubiquity of Asymmetrical Government: Some Constitutional and International Experiences, in Antoinette SCHRAUWEN (ed), Flexibility in Constitutions: Forms of Closer Co-operation in Federal and Non-Federal Settings, Groningen, Europa Law, 2002, 2, 31-40, The Hogendorp papers
- https://hdl.handle.net/1814/4075