@article {9645,
	title = {Political Demands, Political Opportunities: Explaining the Differential Success of Left-Libertarian Parties},
	journal = {Social Forces},
	volume = {78},
	number = {2},
	year = {1999},
	pages = {491-510},
	url = {http://socialforces.unc.edu/},
	author = {Jocelyn Viterna and Kent Redding}
}
