Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 2-6
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 13-19
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Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 20-24
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Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 24-26
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 26-28
Created: 2012-08-30, modified: 2012-08-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 103-109
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 110-113
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 114-120
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 120-123
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 175-184
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 189-193
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 194-196
Created: 2012-08-30, modified: 2012-08-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 205
Created: 2014-01-30, modified: 2014-01-30
Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 239-246
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Published in Journal of The Washington Academy of Sciences, in 1971, in volume 61, pages 266-271
Created: 2014-01-30, modified: 2014-01-30