@book{9406827,
	author = {Petrovič, G. V.},
	title = {Conquest of outer space by rocket systems},
	publisher = {Mir},
	year = {1969]},
	series = {Development of rocket engineering in the USSR},
	address = {[M.},
	note = {Текст парал. на англ. и нем. яз.}
}