@proceedings {61950,
	title = {Symbolic Constraint-based reasoning in Pandora},
	journal = {2nd International Conference of the OUG Artificial Intelligence SIG},
	year = {1990},
	pages = {67-83},
	publisher = {The Institute of Engineering and Technology (IET)},
	address = {London-UK},
	author = {REEM BAHGAT}
}
