| 41. | A constitutional conventions, and public international law.
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| 42. | His main academic specializations are in public international law, human rights law, environmental law and international criminal law.
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| 43. | From 1978 to 1992, he served as a Professor of Public International Law at the University of Leiden.
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| 44. | International Commercial law became a branch of domestic law : private international law, separate from public international law.
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| 45. | Second, the legal regime which applies in these areas is determined by public international law regarding belligerent occupation ."
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| 46. | His career then took him to Oxford in 1972, where he was elected Chichele Professor of Public International Law.
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| 47. | The current director is Professor Stephen J . Toope, a noted expert on human rights, and public international law.
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| 48. | Professor at the Law Faculty of Dijon for 20 years ( Public International Law and Industrial Relations Law ).
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| 49. | Pieter Kooijmans, the Dutch foreign minister in 1993-1994, is a professor of public international law at the University of Leiden.
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| 50. | It has today become an important concept in public international law by which states refuse to extradite their own citizens.
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