1. Althaus H-J, Doka G, Dones R, Heck T, Hellweg S, Hischier R, Nemecek T, Rebitzer AG, Spielmann M (2004) Overview and methodology
2. Angelidaki I, Alves M, Bolzonella D, Borzacconim L, Guwy AJ, Kalyuzhnyi S, Jenicek P, Campos L, Van lier JB (2008) Defining the biomethane potential (BMP) of solid organic wastes: a proposed protocol for batch assays. In:. 5th International symposium of anaerobic digestion of solid waste and energy crops, Hammamet, Tunisia
3. APHA (1999) Standard methods for the examination of water and wastewater. American Public Health Association, Washington
4. Barikmo I, Ouattara F, Oshaug A (2003) Protein, carbohydrate and fibre in cereals from mali—how to fit the results in a food composition table and database. In: 5th International food data conference/27th national nutrient databank conference, Jun 30–Jul 03 2003. Academic Press Inc Elsevier Science, Washington, pp 291–300
5. Barlaz MA, Eleazer WE, Odle WS, Qian IX, Wang Y-S (1997) Biodegradative analysis of municipal solid waste in laboratory-scale landfills, EPA