Reina, R., Ullrich, R., García-Romera, I., Liers, C. and Aranda, E. 2016. Integrated biovalorization of wine and olive mill by-products to produce enzymes of industrial interest and soil amendments. Spanish Journal of Agricultural Research. 14, 3 (Aug. 2016), e0205. DOI:https://doi.org/10.5424/sjar/2016143-8961.