Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 60-61
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 66-75
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Published in Jour Washington Acad Sci, in 1928, in volume 18, pages 96-102
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Published in Jour Washington Acad Sci, in 1928, in volume 18, pages 145-158
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Published in Jour Washington Acad Sci, in 1928, in volume 18, pages 177-178
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Published in Jour Washington Acad Sci, in 1928, in volume 18, pages 194-196
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 197-200
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 233-241
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 241-249
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 249-253
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 306-313
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 316-317
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 381-382
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Published in Jour Washington Acad Sci, in 1928, in volume 18, pages 421-430
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 561-563
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, pages 577-582
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 1, pages 5-10
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 2, pages 25-37
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 7, pages 178-186
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 8, pages 203-206
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 8, pages 216-226
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 10, pages 273-282
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 15, pages 430-433
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Published in Journal of The Washington Academy of Sciences, in 1928, in volume 18, issue 18, pages 485-498
Created: 2015-03-16, modified: 2015-03-16