Siguenos en:
Cambridge Scientific Abstracts (Estados Unidos)
Ground Water Publishing Co.
Magyar Hidrologiai Tarsasag - Hungarian Hydrological Society (Hungría)
Apele Romane R.A. (Rumanía)
Soil and Water Conservation Society (Estados Unidos)
American Institute of Hydrology (Estados Unidos)
Soil Conservation Society of India (India)
International Commission on Irrigation and Drainage - Commission Internationale des Irrigations et du Drainage (India)