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Washington, DC: U.S. Gov. Print. Off., 1953 [erschienen 1958]
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Washington, DC: Gov. Print. Office, 19XX-
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Toronto: University of Toronto Press, [2022]
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Washington, DC, 1959 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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Challenge Classics, 080826
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Washington, DC, 1952 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2008
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Smithsonian Institution, 1959
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Smithsonian Institution, 1958
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Smithsonian Institution, 1958
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Smithsonian Institution, 1953
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Smithsonian Institution, 1927
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New England Botanical Club, 1959
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New England Botanical Club, 1964
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Oxford University Press (OUP), 1990
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Elsevier BV, 1991
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Elsevier BV, 2016
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SAGE Publications, 2023
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ASME International, 2020
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Proceedings of the National Academy of Sciences, 1979
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National Academy of Sciences of the United States of America, 1979