Vagts, Detlev, &quot; Minimum Standard &quot; , in Rudolf Bernhardt (dir.), Encyclopedia of Public International Law, Amsterdam, Elsevier Science Publishers, vol. 3, 1997, pp. 408-410.
Vagts, Detlev, &quot; Minimum Standard &quot; , in Rudolf Bernhardt (dir.), Encyclopedia of Public International Law, Amsterdam, Elsevier Science Publishers, vol. 3, 1997, pp. 408-410.