@book{8050372,
	author = {Guber, A. A. and Čičkanov, V. P.},
	title = {Exploit and tragedy},
	publisher = {Novosti},
	year = {1990},
	series = {Pages of history},
	address = {M.},
	note = {В вып. дан.: Подвиг и трагедия / Александр Андреевич Губер, Валерий Петрович Чичканов}
}