@misc{brinkmann_processing_of_2007, 
author={Brinkmann, T., Scholles, C., Wind, J., Wolff, T., Dengel, A., Clemens, W.},
title={Processing of coal mine gas with low methane concentrations for use in high temperature fuel cells},
year={2007},
howpublished = {conference paper: Aachen (D);},
note = {Brinkmann, T.; Scholles, C.; Wind, J.; Wolff, T.; Dengel, A.; Clemens, W.: Processing of coal mine gas with low methane concentrations for use in high temperature fuel cells. In: 11. Aachener Membran Kolloquium. Aachen (D). 2007. 41-45.}}