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 |
|---|---|
| GERMANY (FED REP GER) | 22 |
| Russia | 11 |
| USA | 9 |
| France | 8 |
| Latvia | 8 |
| CHINA MAINLAND | 7 |
| Canada | 6 |
| Switzerland | 5 |
| Spain | 3 |
| Czech Republic | 2 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| LEIBNIZ INSTITUT FUR EVOLUTIONS UND BIO... | 15 |
| RUSSIAN ACADEMY OF SCIENCES | 10 |
| UNIVERSITY OF DAUGAVPILS | 8 |
| CENTRE NATIONAL DE LA RECHERCHE SCIENTI... | 7 |
| KALININGRAD REG AMBER MUSEUM | 5 |
| MUSEUM NATIONAL D'HISTOIRE NATURELLE (M... | 5 |
| SORBONNE UNIVERSITE | 5 |
| ALTAI STATE UNIVERSITY | 4 |
| UNIVERSITY OF KANSAS | 4 |
| CAPITAL NORMAL UNIVERSITY | 3 |