Case C-703/17: Judgment of the Court (Second Chamber) of 10 October 2019 (request for a preliminary ruling from the Oberlandesgericht Wien - Austria) – Adelheid Krah v Universität Wien (Reference for a preliminary ruling — Free movement of persons — Article 45 TFEU — Workers — Regulation (EU) No 492/2011 — Article 7(1) — Postdoctoral senior lecturers — Limitation on the recognition of previous professionally-relevant periods of service completed in another Member State — System of pay linking a higher rate of pay to the duration of employment with the current employer)