@inbook {10980,
	title = {{\textquotedblleft}Advocates without Members: The Recent Transformation of American Civic Life{\textquotedblright}},
	booktitle = {Civic Engagement in American Democracy},
	year = {1999},
	pages = {461-509},
	publisher = {Brookings Institution Press},
	organization = {Brookings Institution Press},
	author = {Theda Skocpol and Morris P. Fiorina}
}
