发文分析
近年国家/地区发文量统计
| 国家/地区 | 数量 |
|---|---|
| USA | 219 |
| England | 11 |
| Australia | 7 |
| Canada | 4 |
| Colombia | 3 |
| GERMANY (FED REP GER) | 3 |
| NORTHERN IRELAND | 3 |
| Israel | 2 |
| Malawi | 2 |
| South Africa | 2 |
近年机构发文量统计
| 机构 | 数量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 15 |
| UNIVERSITY SYSTEM OF GEORGIA | 8 |
| CALIFORNIA STATE UNIVERSITY SYSTEM | 6 |
| STATE UNIVERSITY OF NEW YORK (SUNY) SYSTEM | 6 |
| UNITED STATES DEPARTMENT OF THE INTERIOR | 5 |
| AUSTRALIAN NATIONAL UNIVERSITY | 4 |
| SMITHSONIAN INSTITUTION | 4 |
| UNIVERSITY OF MASSACHUSETTS SYSTEM | 4 |
| UNIVERSITY OF NEBRASKA SYSTEM | 4 |
| UNIVERSITY OF NORTH CAROLINA | 4 |