Alex, J.; Ogurek, M.; Seick, I.; Kujawski, O. (2013). Modeling of biogas plants in engineering practice, 11th IWA conference on instrumentation control and automation, 18.-20.09.2013, Narbonne, France
Ogurek, M.; Seick, I.; Fronk, K. (2014). Modeling and simulation of biogas plants for representation of important specific parameters and biogas production, Progress in Biogas III – Biogas production from agricultural biomass and organic residues, 10.-11.09.2014, Stuttgart
Ogurek, M.; Seick, I.; Fronk, K. (2015). Praxistaugliche Modellierung eines prädiktiven Reglers für Biogasanlagen, at - Automatisierungstechnik, vols. 63 (7):502–517