Details Details PDF BIBTEX RIS Title Remarks on Zasada efektywności w prawie międzynarodowym [Principle of effectiveness in international law ] by Janusz Symonides: On the anniversary of the conclusion of the Polish-German Treaties of 1950, 1970 and 1990 Journal title Polish Yearbook of International Law Yearbook 2020 Volume No XL Authors Czapliński, Władysław Affiliation Czapliński, Władysław : Professor, Institute of Law Studies, Polish Academy of Sciences Keywords border treaty ; effectiveness ; Germany ; international law ; Poland ; Symonides Divisions of PAS Nauki Humanistyczne i Społeczne Coverage 23-38 Publisher Institute of Law Studies PAS ; Committee on Legal Sciences PAS Date 2022.01.25 Type Article Identifier DOI: 10.24425/pyil.2021.138427