| Publication Type: | Journal Article |
| Year of Publication: | 1988 |
| Authors: | B. C. Ratcliffe |
| Journal: | Transactions of the Nebraska Academy of Sciences |
| Volume: | XVI |
| Pagination: | 87-89 |
| Publication Type: | Journal Article |
| Year of Publication: | 1988 |
| Authors: | B. C. Ratcliffe |
| Journal: | Transactions of the Nebraska Academy of Sciences |
| Volume: | XVI |
| Pagination: | 87-89 |