@inproceedings{derthick:counterfactual,
title = {Counterfactual Reasoning with Direct Models},
author = {Mark Derthick},
booktitle = {{P}roceedings of the Sixth National Conference on Artificial Intelligence},
editor = {K. Forbus and H. Shrobe},
publisher = {San Francisco, CA: Morgan Kaufmann},
url = {http://www.mpi-sb.mpg.de/services/library/proceedings/contents/aaai87.html},
year = {1987},
priority = {2}, citeulike-article-id = {2376418},
keywords = {nn }
}