RT Book T1 Abuse of rights and equivalent concepts: the principle and its present day application; proceedings of the Nineteenth Colloquy on European Law, Luxembourg, 6 - 9 November 1989 T2 Legal affairs LA English PP Strasbourg YR 1990 UL https://krimdok.uni-tuebingen.de/Record/1093272716 SN 92-871-1868-X K1 Konferenzschrift