patent Angela Ries author Bielefelder Institut für Angewandte Materialforschung project 2016 A. Ries, “Filter.” 2016. <span style="font-variant:small-caps;">Ries, Angela</span>: Filter (2016) Ries, A. (2016). Filter. @article{Ries_2016, title={Filter}, author={Ries, Angela}, year={2016} } Ries, Angela. “Filter,” 2016. A. Ries, (2016). Ries, Angela. <i>Filter</i>. 2016. Ries A. Filter. 2016. 70472026-07-08T10:48:40Z2026-07-08T10:48:45Z