Watercourse co-operation in Northern Europe : a model for the future / Malgosia Fitzmaurice & Olufemi Elias ; with the co-operation of Vaughan LoweThe Abyei arbitration : (The government of Sudan/The Sudan People's Liberation Movement/Army) : final award of 2009 / with an introd. by Vaughan Lowe and Antonios TzanakopoulosTaḥkīm Abyī (ḥukūmat al-Sūdān/al-Ḥaraka al-Šaʿbiyya li-Taḥrīr al-Sūdān/al-Ǧayš al-Šaʿbī li-Taḥrīr al-Sūdān) : al-qarār al-nihāʾī li-ʿām 2009 maʿa muqaddima bi-qalam al-brūfīsūr Fuġān Luwī wa-al-duktūr Antūniyūs Tzānākūbūlūs