The following publications are possibly variants of this publication:
- Disjunctive Ordered Logic: Semantics and ExpressivenessFrancesco Buccafurri, Nicola Leone, Pasquale Rullo. kr 1998: 418-431
- Computing Disjunctive Ordered LogicFrancesco Buccafurri, Nicola Leone, Pasquale Rullo. agp 1996: 283-294
- Disjunctive Ordered LogicFrancesco Buccafurri, Nicola Leone, Luigi Palopoli, Pasquale Rullo. DEXA 1995: 303-312
- On the Expressive Power of Ordered LogicFrancesco Buccafurri, Nicola Leone, Francesco Scarcello. aicom, 9(1):4-13, 1996.