1. UNICA. União das Industrias de Cana de Açúcar. Website: http://www.unicadata.com.br/(accessed 18.05.14).
2. Notes on Control Technologies: Fabrication of Sugar and Alcohol;Environmental Sanitation Technology Company (Companhia de Tecnologia de Saneamento Ambiental),1985
3. Vinasse – Criteria and Procedures for Application to Agricultural Soil;Environmental Sanitation Technology Company (Companhia de Tecnologia de Saneamento Ambiental),2006
4. Experimental investigation of soil and ground water impacts caused by vinasse disposal;Cruz;Water Sci. Technol.,1991
5. Toposequence of soils fertigated with stillage: contribution towards the quality of ground water table;Lyra;Rev. Bras. Eng. Agrícola Ambient.,2003