| Publication Type: | Journal Article |
| Year of Publication: | 1981 |
| Authors: | M. M. Abed, Asa'ad G. M. A. El |
| Journal: | Bulletin of the Faculty of Science, Mansoura University, Egypt |
| Volume: | 8 |
| Pagination: | 271 - 289 |
| Date Published: | 1981/// |
| Publication Type: | Journal Article |
| Year of Publication: | 1981 |
| Authors: | M. M. Abed, Asa'ad G. M. A. El |
| Journal: | Bulletin of the Faculty of Science, Mansoura University, Egypt |
| Volume: | 8 |
| Pagination: | 271 - 289 |
| Date Published: | 1981/// |