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Mission to planet earth

Space Science Board

出版	National Academies Press, 1988
主題	Science / Physics / AstrophysicsScience / Space ScienceScience / Space Science / GeneralTechnology & Engineering / Aeronautics & Astronautics
ISBN	03090389019780309038904
URL	http://books.google.com.hk/books?id=KKdYAAAAYAAJ&hl=&source=gbs_api