TY - JOUR T1 - When does circularity matter? JO - Proceedings of the Aristotelean Society PY - 2002/01/01 AU - Keefe R ED - DO - DOI: 10.1111/j.0066-7372.2003.00054.x VL - 102 IS - 1 SP - 275 EP - 292 Y2 - 2024/12/22 ER -