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Photographic Observations of Asteroids

Herbert C. WilsonCurvin Henry GingrichAnne YoungC. E. Smith

其他書名	Made with the 8-inch Refractor During the Years 1923-1924
出版	Carleton College, 1926
URL	http://books.google.com.hk/books?id=9FD6PAAACAAJ&hl=&source=gbs_api