↑ Artificial Reefs and Dive Tourism in Eilat, Israel, Dan Wilhelmsson, Marcus C. Öhman , Henrik Ståhl and Yechiam Shlesinger, Ambio, Vol. 27, No. 8, Building Capacity for Coastal Management (Dec., 1998), pp. 764-766 Published by: Allen Press on behalf of Royal Swedish Academy of Sciences . the United Nations Environment Programme. Retrieved on December 17. 2014
