M.H.G. van Sambeek, H.G.M. Eggenkamp, and M.J.M. Vissers. “The Groundwater Quality of Aruba, Bonaire and Curaçao: A Hydrogeochemical Study”. Netherlands Journal of Geosciences, vol. 79, Dec. 2000, pp. pp. 459 - 466, doi:10.1017/S0016774600021958.