Judgment of the Court (Second Chamber) of 10 October 2019.#Adelheid Krah v Universität Wien.#Request for a preliminary ruling from the Oberlandesgericht 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 periods of professionally relevant service completed in another Member State – System of pay linking a higher rate of pay to the duration of employment with the current employer.#Case C-703/17.