Blanc, S., Gasol, C. M., Martínez-Blanco, J., Muñoz, P., Coello, J., Casals, P., Mosso, A. and Brun, F. (2019) “Economic profitability of agroforestry in nitrate vulnerable zones in Catalonia (NE Spain)”, Spanish Journal of Agricultural Research, 17(1), p. e0101. doi: 10.5424/sjar/2019171-12118.