Ramos, M. C., Oliva, E. and Nacci, S. (2010) “Phosphorous and nitrogen changes in compost-amended schist soils in vineyards in the D.O. Priorat wine-producing area (NE Spain)”, Spanish Journal of Agricultural Research, 8(4), pp. 1242-1252. doi: 10.5424/sjar/2010084-1410.