@article{pop00141,
author = {A. Camurri and M. Frixione and S. Gaglio and R. Zaccaria},
title = {HARP: a hybrid system for reasoning about actions and plans in robotics },
booktitle = {Proceeding of Applications of the VIII Artificial Intelligence conference},
publisher = {SPIE and IEEE Computer Society},
year = {1990},
pages = {619-631},
}