| Publication Type: | Journal Article |
| Year of Publication: | 1951 |
| Authors: | T. K. |
| Journal: | Bull. Inst. Zool. Acad. Sc. SofiaBull. Inst. Zool. Acad. Sc. Sofia |
| Volume: | 1 |
| Pagination: | 305-328 |
| Publication Type: | Journal Article |
| Year of Publication: | 1951 |
| Authors: | T. K. |
| Journal: | Bull. Inst. Zool. Acad. Sc. SofiaBull. Inst. Zool. Acad. Sc. Sofia |
| Volume: | 1 |
| Pagination: | 305-328 |