Wheeler, Kevin G. (2016-06-06). ”Cooperative filling approaches for the Grand Ethiopian Renaissance Dam”. Water International 41 (4): sid. 611–634. doi:10.1080/02508060.2016.1177698. ISSN0250-8060.
Wheeler, Kevin G. (2016-06-06). ”Cooperative filling approaches for the Grand Ethiopian Renaissance Dam”. Water International 41 (4): sid. 611–634. doi:10.1080/02508060.2016.1177698. ISSN0250-8060.