The Smithsonian/NASA Astrophysics Data System. Michael J. Kurtz Harvard-Smithsonian Center for Astrophysics. ADS Holdings. Astronomy 1.3M Physics 3.3M arXiv 0.4M General 0.5M. ADS Holdings. 22M Citing-Cited Pairs 6M external links 10M internal links 0.5M scanned articles
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Michael J. Kurtz
Harvard-Smithsonian Center for Astrophysics