Formalism and the sources of international law [electronic resource] : a theory of the ascertainment of legal rules / Jean d'Aspremont. Aspremont, Jean d'. International law Sources. International law Interpretation and construction. KZ3410 .A85 2011 341.1 23 Includes bibliographical references and index. Description based on online resource; title from PDF title page (viewed on Jan. 19, 2012). 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. Oxford : Oxford University Press, 2011. 2011. 2011 Text 1 online resource (xviii, 266 p.). http://dx.doi.org/10.1093/acprof:oso/9780199696314.001.0001 eng Oxford monographs in international law Oxford monographs in international law. Also issued in print format. Also issued in print format.