@book{7611,
	author = {Kukarkin, B. V. and Efremov, YU N},
	title = {Second Supplement to the Third Edition of the General Catalogue of Variable Stars Containing Information on 2490 Variable Stars Designated in 1972-1973 and Improved Information on 2196 Previously Designated Variable Stars},
	publisher = {Publishing House "NAVKA"},
	year = {1974},
	address = {Moscow},
	note = {Donated by Mrs. Bappu}
}