发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 10 |
| Russia | 9 |
| England | 6 |
| South Africa | 5 |
| Iran | 4 |
| Botswana | 2 |
| Cyprus | 2 |
| GERMANY (FED REP GER) | 2 |
| Poland | 2 |
| Scotland | 2 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| RUSSIAN ACADEMY OF SCIENCES | 7 |
| STATE UNIVERSITY SYSTEM OF FLORIDA | 4 |
| ALZAHRA UNIVERSITY | 3 |
| KEELE UNIVERSITY | 3 |
| UNIVERSITY OF FORT HARE | 3 |
| LIB NAT SCI | 2 |
| POLISH ACADEMY OF SCIENCES | 2 |
| UNIVERSITY OF BOTSWANA | 2 |
| UNIVERSITY OF CYPRUS | 2 |
| UNIVERSITY OF ST ANDREWS | 2 |