1. APHA-AWWA-WPCF, 1990. Selected physical and chemical standard methods for students based on standard methods for the examination of water and wastewater, 17th ed, Method 5210B on Biochemical Oxygen Demand, Method 2540D on Total Suspended Matter, Method 5220D on Chemical Oxygen Demand, Washington, DC.
2. Analysis of metal cation and inorganic anions in olive oil mill waste by atomic absorption spectroscopy and ion chromatography and detection of metals bound mainly to the organic polymeric fraction;Arienzo;J. Agric. Food Chem.,2000
3. Balis, K., Chatzipavlidis, I., Antonakou, M., Dimou, D., Flouri, F., Dimopoulou, D., Manolopoulos, D., 1995. A study of the methods and processes for OMW treatment with the goal to prevent environmental pollution and final disposal to the sea, Study under project funded under the LEADER European Union initiative, Agricultural University of Athens. General and Agricultural Microbiology Laboratory, Athens (in Greek).
4. Statistics for Environmental Engineers;Berthouex,1994
5. The waste waters from olive oil extraction: their Influence on the germinative characteristics of some cultivated and weed species;Bonari;Agric. Med.,1993