“Reciprocity”
Encyclopedia of Public International Law
1984
Universelles Völkerrecht: Theorie und Praxis
1984
“Diritto Internazionale Consuetudinario e Diritto Interno Secondo la Legge Fondamentale della Repubblica Federale Tedesca”
Studi Senesi
1984
“Legal Aspects of Intra-(East-West) German Relations”
Chinese (Taiwan) Yearbook of International Law and Affairs
1984
Preface to Universelles Völkerrecht: Theorie und Praxis
Universelles Völkerrecht: Theorie und Praxis
1984