Personal site resources created for investigations into petroglyph sites in Hajar mountains planned for winter 2015/16. Derived from Ziolkowski, M. C. (2007). Rock on art: petroglyph sites in the United Arab Emirates. Arabian Archaeology and Epigraphy, 18(2), 208–238. http://doi.org/10.1111/j.1600-0471.2007.00262.x