Formalism and the Sources of International Law - d'Aspremont, Jean (Associate Professor of International Law, Amsterdam Center for International Law, University of Amsterdam)

As a result of the growing prominence of international organizations and non-binding instruments there is increasing controversy as to how to delineate the boundaries of international law. This book advocates a return to a more formal way of determining what is and isn't international law, and suggests ways in which this formalism can be modernized