| Publication Type: | Report |
| Year of Publication: | 1994 |
| Authors: | Collingwood, C. A., van Harten, A. |
| Series Title: | Yemeni-German Plant Protection Project, Sana’a, Yemen |
| Pagination: | 39 |
| Publication Type: | Report |
| Year of Publication: | 1994 |
| Authors: | Collingwood, C. A., van Harten, A. |
| Series Title: | Yemeni-German Plant Protection Project, Sana’a, Yemen |
| Pagination: | 39 |