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 Wilhelmsson, Dan; Öhman, Marcus C.; Ståhl, Henrik; Shlesinger, Yechiam (1998). "Artificial Reefs and Dive Tourism in Eilat, Israel". Ambio. 27 (8): 764–766. JSTOR4314831.. the United Nations Environment Programme. Retrieved on 17 December. 2014