1. F.J. Bas Jimenez, M.J. Colinet Carmona, J. LoboGarcia, The Olive Tree as an Energy Source in the Mediterranean Area: Andalusia, in: Proceedings of the First World Conference on Biomass for Energy and Industry, Seville, June 5–9, 2000, pp. 393–395
2. Smaltimento delle Acque di Vegetazione;Laforgia;Acqua Aria,1995
3. Acque di Vegetazione;Pacifico;Agricoltura ed Innovazione,1989
4. A. Schmidt, M. Knobloch, Olive oil-mill residues: The Demonstration of an Innovative System to Treat Wastewater and to make use of Generated Bioenergy and Solid Remainder, in: Proceedings of the First World Conference on Biomass for Energy and industry, Seville, June 5–9, 2000, pp. 452–454