Biblio

B. Webb, Hirata, R., Kruse, E., y Vrba, J., Sustainability of groundwater resources and its indicators, vol. no. 302. Wallingford, UK: IAHS Press, Institute of Hydrology, 2006, p. viii,205 p. : fig., tab.

J. Vrba, «The world's groundwater resources : contribution to chapter 4 of WWDR-2». International Groundwater Resources Assessment Centre (IGRAC), Utrecht, The Netherlands, p. i, 10 p. : 1 box, 8 fig., 2 tab., 2004.

J. Hahn, Vrba, J., Aldwell, C. R., Alfoldi, L., Andersen, L. J., Kaden, S., Miller, J. C., y van Waegeningh, H. G., «Integrated land-use planning and groundwater protection in rural areas : a comparative study of planning and management methodologies». UNESCO International Hydrological Programme, UNESCO-IHP, Paris, France, p. viii, 102 p.: fig., tab., 1991.