Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 1-3
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 25-28
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 35-41
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 59-60
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 82-83
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 83-84
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 87-88
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 107-114
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 225-241
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 317-331
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 331-340
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 370-372
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 381-384
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 395-396
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 398-418
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 421-432
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 432-434
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 434-435
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 465-475
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, pages 488-495
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Published in Jour Washington Acad Sci, in 1930, in volume 20, pages 501-509
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, issue 2, pages 484-488
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, issue 15, pages 372-374
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, issue 15, pages 374-381
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Published in Journal of The Washington Academy of Sciences, in 1930, in volume 20, issue 16, pages 396-398
Created: 2015-03-16, modified: 2025-12-03