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 | 43 |
| England | 2 |
| GERMANY (FED REP GER) | 2 |
| Austria | 1 |
| Belgium | 1 |
| CHINA MAINLAND | 1 |
| Canada | 1 |
| Denmark | 1 |
| Israel | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| UNIVERSITY OF CALIFORNIA SYSTEM | 6 |
| UNIVERSITY OF MICHIGAN SYSTEM | 4 |
| UNIVERSITY SYSTEM OF MARYLAND | 4 |
| ARIZONA STATE UNIVERSITY | 3 |
| COLUMBIA UNIVERSITY | 3 |
| COLUMBIA UNIVERSITY TEACHERS COLLEGE | 3 |
| HARVARD UNIVERSITY | 3 |
| CALIFORNIA STATE UNIVERSITY SYSTEM | 2 |
| CITY UNIVERSITY OF NEW YORK (CUNY) SYST... | 2 |
| MICHIGAN STATE UNIVERSITY | 2 |