[1]   H. P. Berg, A. Himmelberg, M. Lehmann, R. Dückershoff, M. Neumann: The Turbo-Fuel-Cell 1.0 – family concept, 2017, https://iopscience.iop.org/article/10.1088/1757-899X/297/1/012004

[2]   H.P. Berg, R. Dückershoff, M. Lehmann, N. Prechavut: MICRO TURBO-FUEL-CELL-TECHNOLOGY: Hybrid compact turbo machinery technology and thermodynamic aspects regarding design parameters of a high efficient MGT-SOFC-system, 2017, https://www.euroturbo.eu/publications/proceedings-papers/etc2017-266/

[3]   H.P. Berg, M. Kleissl, A. Himmelberg, M. Lehmann, N. Prechavut; M. Vorpahl: Heat balancing of direct reforming fuel cells in MGT-SOFC hybrid systems, 2018, https://iopscience.iop.org/article/10.1088/1757-899X/501/1/012007

[4]   R. Dückershoff, H. P. Berg, A. Himmelberg, M. Lehmann, M. Kleissl: Influence on the Electrical Efficiency of a Hybrid MGT-SOFC-System by μ-fogging in a-Two-Staged Compressor System, 2019, https://iopscience.iop.org/article/10.1088/1757-899X/886/1/012041