@book{50929,
	author = {Allardt, Erik. and International Sociological Association.},
	title = {Mass politics :},
	publisher = {Free Press,},
	year = {1970},
	address = {New York :},
	note = {Papers, part revised and updated, selected from 4 conferences, 1961-67, organized under the auspices of the Committee on Political Sociology.}
}