1. Álvarez Rogel, J. 1997. Relaciones suelo-vegetación en saladares del Sureste de España. PhD Thesis. University of Murcia. Spain.
2. Patterns of spatial and temporal variations in soil salinity: example of a natural salt marsh in a semiarid climate;Álvarez Rogel;Arid Soil Research and Rehabilitation,1997
3. Soil salinity and moisture gradients and plant zonation in Mediterranean salt marshes of Southeast Spain;Álvarez Rogel;Wetlands,2000
4. Vegetation and gradients of salinity in west Mediterranean coast salt marshes;Boira,1995
5. Bonfilst, P. 1957. Méthodes d'analyses des sols. SEC 91, Centre de Recherches Agronomiques du Midi, Montpellier, France.