@book{128117,
	author = {Ross, Martha.},
	title = {Rulers and governments of the world},
	publisher = {Bowker},
	year = {1977-},
	address = {London},
	note = {Vol. 2 is an updated translation of v. 3 and part of v. 4 of Regenten und Regierungen der Welt, 2d ed., compiled by Bertold Spuler.}
}