Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 25-28

Created: 2012-08-30, modified: 2012-08-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 35-36

Created: 2014-01-30, modified: 2014-01-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 36-43

Created: 2012-08-30, modified: 2012-08-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 80-89

Created: 2014-01-30, modified: 2014-01-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 89-103

Created: 2012-08-30, modified: 2012-08-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 144-148

Created: 2012-08-30, modified: 2012-08-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 148-160

Created: 2012-08-30, modified: 2012-08-30

Published in Journal of The Washington Academy of Sciences, in 1980, in volume 70, pages 160-165

Created: 2014-01-30, modified: 2014-01-30