Qualitative and Quantitative Practical Reasoning First International Joint Conference on Qualitative and Quantitative Practical Reasoning, ECSQARU-FAPR'97, Bad Honnef, Germany, June 9-12, 1997 Proceedings - Gabbay, Dov; Gabbay, Dov; Kruse, Rudolf; Kruse, Rudolf; Nonnengart, Andreas; Nonnengart, Andreas; Ohlbach, Hans J.; Ohlbach, Hans J. (Springer Berlin Heidelberg : Imprint: Springer, 1997)