- AI approaches to the complexity of legal systems XI-XII, AICOL International Workshops 2018 and 2020 : AICOL-XI@JURIX 2018, AICOL-XII@JURIX 2020, XAILA@JURIX 2020 : revised selected papers, Víctor Rodríguez-Doncel [and 5 others]
- Problems of normativity, rules and rule-following, Michał Araszkiewicz, Paweł Banaś, Tomasz Gizbert-Studnicki, Krzysztof Płeszka, editors