TY - JOUR A1 - Kern, Alexander A1 - Klöters, Georg A1 - Pferdemenges, Jörg T1 - Optimised protection against lightning for the signalling and safety systems of level crossings on non-electrified railway lines T2 - RTR : European Rail Technology Review Y1 - 2010 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/4263 SN - 0079-9548 VL - 50 IS - 2 ER -