Pousada-Ferradás, Y., Seoane-Labandeira, S., Blanco, M. and Núñez-Delgado, A. 2014. The effect of aging on element plant availability and bacterial counts of mixtures of wood ash and sewage sludge. Maderas. Ciencia y Tecnología. 13, 3 (Dec. 2014), 307–318.