Elena Marie Kullak 
 Vertrauen in Europa
 Entwicklung und Funktion als Verfassungsgrundsatz des Unionsrechts 
  
[Trust in Europe. Evolution and Function as a Constitutional Principle of European Law.]
 2020. XVII, 288 pages.    Summary 
  Authors/Editors 
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  Summary 
 Mutual trust between member states constitutes a dynamic principle of European constitutional law. Elena Marie Kullak conceptualises the principle with regard to its reason and limits and analyses its contribution to the horizontal constitutionalisation within the European Union.