H. Nash y McCall, G. J. H.,
«Groundwater quality», vol. no. 17. Chapman and Hall, London, UK, p. xv, 204 p.: fig., maps, photogr., tab., 1995.
M. Murakami,
Managing water for peace in the Middle East : alternative strategies. Tokyo, Japan: United Nations University Press, 1995, p. x, 309 p.: fig., tab.