| Publication Type: | Journal Article |
| Year of Publication: | 1958 |
| Authors: | N. A. Porfirjeva |
| Journal: | Trudy Obshchestva estestvoispytatelei pri Kazanskom Gosudarstvennom Universitete |
| Volume: | 62 |
| Pagination: | 39-89 |
| Publication Type: | Journal Article |
| Year of Publication: | 1958 |
| Authors: | N. A. Porfirjeva |
| Journal: | Trudy Obshchestva estestvoispytatelei pri Kazanskom Gosudarstvennom Universitete |
| Volume: | 62 |
| Pagination: | 39-89 |