@book{63351,
	author = {Rigby, Thomas Henry Richard.},
	title = {Communist Party membership in the U.S.S.R., 1917-1967},
	publisher = {Princeton University Press},
	year = {1968.},
	series = {Studies of the Russian Institute, Columbia University},
	address = {Princeton, N.J.},
	note = {920701}
}