Zema, D. A., G. Zappia, S. Benalia, G. Zimbalatti, E. Perri, E. Urso, V. Tamburino, and B. Bernardi. “Limiting Factors for Anaerobic Digestion of Olive Mill Wastewater Blends under Mesophilic and Thermophilic Conditions”. Journal of Agricultural Engineering, vol. 49, no. 2, Feb. 2018, pp. 130-7, doi:10.4081/jae.2018.792.