Published in Journal of The Washington Academy of Sciences, in 1982, in volume 72, pages 1-11

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

Published in Journal of The Washington Academy of Sciences, in 1982, in volume 72, pages 12-23

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

Published in Journal of The Washington Academy of Sciences, in 1982, in volume 72, pages 24-34

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

Published in Journal of The Washington Academy of Sciences, in 1982, in volume 72, pages 34-42

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