Toner, P.J., &quot; Competing Concepts of Immunity: The Revolution of the Head of State Immunity Defense &quot; , Penn State Law Review, vol. 108 (2004), pp. 899-927.
Toner, P.J., &quot; Competing Concepts of Immunity: The Revolution of the Head of State Immunity Defense &quot; , Penn State Law Review, vol. 108 (2004), pp. 899-927.