DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution - European Public Law View DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution by Jens Hartig Danielsen - European Public Law DENMARK – One of Many National Constraints on European Integration: Section 20 of the Danish Constitution Jens Hartig Danielsen 2010-05-01 16 2 kluwerlawonline.com/api/Product/CitationPDFURL?file=Journals\EURO\EURO2010012.pdf European Public Law