@conference {hillier1999capturing,
	title = {Capturing Emergence: surface patterns and deep structures},
	booktitle = {Paper on invited keynote speech 4th IEEE Symposium on Requirements Engineering, Limmerick, Ireland, IEEE Computer Society},
	year = {1999},
	note = {n/a},
	abstract = {n/a},
	author = {Hillier, B and Galal, GH}
}
