Stemann, J. and Ziegler, F. (2011). Assessment of the energetic efficiency of a continuously operating plant for hydrothermal carbonisation of biomass. Proceedings of World Renewable Energy Congress 2011. Linköping University Electronic Press, 125-132.

Albers, J., Kühn, A., Petersen, S. and Ziegler, F. (2011). Development and progress in solar cooling technologies with sorption systems.. Chemie Ingenieur Technik. WILEY-VCH Verlag, 1853–1863.

Hansske A., Z. F. (2011). Experimental Investigation of a Vortex Tube. Proceedings of the International Conference of Refrigeration

Albers, J., Trinh, Q. D. and Ziegler, F. (2011). Experimental investigation of mass flow rates in a thermosiphon desorber at sub-atmospheric pressure.. Proc. of 6textsuperscriptth Int. Berlin Workshop on Transport Phenomena with Moving Boundaries

Albers, J. and Ziegler, F. (2011). Heat transfer calculation for absorption heat pumps under variable flow rate conditions.. Proc. of the Int. Sorption Heat Pump Conference 2011, 813–822.

Corrales Ciganda, J. and Ziegler, F. (2011). Control strategies for heat driven chillers to reduce parasitic electric consumption. 2nd European Conference on Polygeneration

Seiler, M., Schneider, M.-C., Kühn, A. and Ziegler, F. (2010). New high-performance working pairs for absorption chillers and heat pumps. Proc. of the International Conference Innovative Materials for Processes in Energy Systems (IMPRES)

Zin, K. H. A. Z. F. (2010). Modeling and Optimization of the Vortex Tube with CFD. Energy Research Journal, pp 193-196.

Albers, J., Nurzia, N. and Ziegler, F. (2010). Simulation and experimental Analysis of a solar driven Absorption Chiller with partially wetted Evaporator. Journal of solar Energy Engineering, p. 011016-1-011016-8.

Albers, J., Nurzia, N. and Ziegler, F. (2010). Simulation and experimental Analysis of a solar driven Absorption Chiller with partially wetted Evaporator.. Journal of solar Energy Engineering, 011016.1-011016.8.

Jahnke, A. and Ziegler, F. (2010). Der Honigmann-Prozess - Thermochemische Energiespeicherung für die Bereitstellung von Strom, Wärme oder Kälter. Solarzeitalter - Politik, Kultur und Ökonomie Erneuerbarer Energien, 59–62.

Mittermaier, M., Petersen, S. and Ziegler, F. (2010). Primary Energy optimized operating strategies of Absorption Systems in CHCP networks. Sustainable Refrigeration and Heat Pump Technology Conference

Zegenhagen, T., Corrales, J., Petersen, S., Ricart, C. and Ziegler, F. (2010). Best Practice: Data Center Cooling using CHCP Technology. Sustainable Refrigeration and Heat Pump Technology Conference

Buchin, O., Meyer, T. and Ziegler, F. (2010). Auswirkungen variierter Stoffparameter des Absorbens auf Absorptionskälteprozesse. Tagungsband zur DKV-Jahrestagung

Kühn, A., Buchin, O., Seiler, M., Schwab, P. and Ziegler, F. (2009). Ionic liquids - a promising solution for solar absorption chillers?. Proc. of the 3rd International Conference Solar Air-Conditioning. Ostbayerisches Technologie-Transfer-Institut e.V..