Nordic Cosmopolitanism Essays in International Law for Martti Koskenniemi

Jarna Petman is a Research Fellow at the Erik Castrén Institute of International Law and Human Rights, teaching international law and legal theory at the Univeristy of Helsinki. Her main publications include a book on the law governing the use of force co-authored in Finnish in 1999, Voimankäytön oikeuttaminen ja sotilaallisten järjestelmien muutokset Euroopassa ja Suomessa.
Jan Klabbers is Professor of International Law at the University of Helsinki. His main books include The Concept of Treaty in International Law (1994) and An Introduction to International Institutional Law (2003).