1. Influence of nutrient composition on methane production from animal manures and co-digestion with maize and glycerine;Kryvoruchko,2004
2. Bestimmung des Faulverhaltens “Schlamm und Sedimente”;DIN 38 414,1985
3. T. Amon et al., Biogas production from maize and dairy cattle manure—influence of biomass composition on the methane yield. Agriculture, Ecosystems & Environment (in press).