@book{57801,
	author = {Petracca, Mark P.  and Petracca, Mark P.},
	title = {The Politics of interests :},
	publisher = {Westview Press,},
	year = {1992.},
	series = {Transforming American politics},
	address = {Boulder :},
	url = {http://www.loc.gov/catdir/enhancements/fy0832/91034437-b.html}
}