@book{613093,
	author = {Byrne, D. S. and Callaghan, Gillian},
	title = {Complexity theory and the social sciences :},
	publisher = {Routledge,},
	year = {1998.},
	address = {London ;},
	edition = {2nd},
	url = {http://www.loc.gov/catdir/enhancements/fy0649/98023769-d.html}
}