Koval, Alexander
Space flights serve life on Earth / Alexander D Koval - Moscow : Progress Publishers, 1987. - 284 p. ill.
Include index
Space
Earth
910.222 K883S 1987
Space flights serve life on Earth / Alexander D Koval - Moscow : Progress Publishers, 1987. - 284 p. ill.
Include index
Space
Earth
910.222 K883S 1987