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 | 29 |
| Mexico | 5 |
| Brazil | 3 |
| Japan | 3 |
| Argentina | 2 |
| South Korea | 2 |
| Australia | 1 |
| France | 1 |
| GERMANY (FED REP GER) | 1 |
| Portugal | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| FIELD MUSEUM OF NATURAL HISTORY (CHICAG... | 6 |
| DREXEL UNIVERSITY | 3 |
| TOHOKU UNIVERSITY | 3 |
| CICESE - CENTRO DE INVESTIGACION CIENTI... | 2 |
| CONSEJO NACIONAL DE INVESTIGACIONES CIE... | 2 |
| DELAWARE MUSEUM NAT HIST | 2 |
| KYUNGPOOK NATIONAL UNIVERSITY | 2 |
| OREGON STATE UNIVERSITY | 2 |
| ST CATHERINE UNIV | 2 |
| UNITED STATES DEPARTMENT OF AGRICULTURE... | 2 |