1. Aleven V, Ashley KD (1997) Teaching case-based argumentation through a model and examples empirical evaluation of an intelligent learning environment
2. Ashley K (1990) Modeling legal argument: reasoning with cases and hypotheticals. MIT Press, Cambridge
3. Ashley KD (1991) Reasoning with cases and hypotheticals in HYPO. Int J ManMach Stud 34:753–796
4. Ashley K (2006) Case-based reasoning. In: Oskamp A, Lodder A (eds) Information technology and lawyers. Springer, Berlin, pp 21–45
5. Barwise J (1977) An introduction to first-order logic. Handbook of mathematical logic, studies in logic and the foundations of mathematics. Amsterdam, North-Holland