@inproceedings{inproceedingsd52e7c15,
title   = {A contraction core for Horn belief change: preliminary report},
author = {Booth, Richard and Meyer, Thomas and Wassermann, Renata},
year = {2010},
publisher = {SFU},
booktitle   = {Non-Monotonic Reasoning 2010: International Workshop on Non-Monotonic Reasoning - NMR}
}