@book{60099,
	author = {Simons, William B. and Rijksuniversiteit te Leiden.},
	title = {The Constitutions of the Communist world},
	publisher = {Sijthoff & Noordhoff},
	year = {1980.},
	address = {Alphen ann den Rijn},
	note = {"A publication issued by the Documentation Office for East European Law, University of Leyden."}
}