@book {794,
	title = {Katyn: A Crime without Punishment},
	year = {2007},
	publisher = {Yale University Press},
	organization = {Yale University Press},
	type = {Published Documentary Collection},
	address = {New Haven},
	editor = {Anna M. Cienciala and Natalia S. Lebedeva and Wojciech Materski}
}
@article {556,
	title = {The Deportation of the Polish Population in the USSR, 1939-1941},
	journal = {Journal of Communist Studies and Transition Politics},
	volume = {16},
	year = {2000},
	author = {Natalia S. Lebedeva}
}
