@book{7610,
	author = {Kukarkin, B. V. and Efremov, YU N},
	title = {First supplement to the third edition of the general catalogue of variable stars containing Information on 2216, variable stars designated in 1970 and Improved Information on 1907 previously},
	publisher = {Academy of Sciences of the USSR},
	year = {1971},
	address = {Moscow},
	note = {Donated by Mrs. Bappu}
}