TY - JOUR U1 - Wissenschaftlicher Artikel A1 - Kopp, Andreas A1 - Niedermeier, Jan A1 - Nagel, Alwin A1 - Bernthaler, Timo A1 - Schneider, Gerhard T1 - Cryo ion polishing and high-resolution electron microscopy on a layered PEM composite of an automotive fuel cell JF - Practical Metallography Y1 - 2022 U6 - https://doi.org/10.1515/pm-2022-0050 DO - https://doi.org/10.1515/pm-2022-0050 VL - 59 IS - 8-9 SP - 475 EP - 487 ER -