Soil available phosphorus tests in volcanic soils used in Canary Islands (Spain) labs: a short review - Negrín M.A.; Domínguez J.; Hernández-Moreno J.M. (7. International meeting on Soils with Mediterranean Type of Climate (selected papers), 2002)
7. International Meeting on: Soils with Mediterranean Type of Climate, 2001/09/23-28, Valenzano (Italy)