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 | 27 |
| GERMANY (FED REP GER) | 15 |
| Spain | 13 |
| England | 10 |
| Norway | 7 |
| Austria | 4 |
| Belgium | 4 |
| France | 4 |
| Italy | 4 |
| Netherlands | 4 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| DIW BERLIN - DEUTSCHES INSTITUT FUR WIR... | 6 |
| MASSACHUSETTS INSTITUTE OF TECHNOLOGY (... | 5 |
| FRAUNHOFER GESELLSCHAFT | 4 |
| TECHNICAL UNIVERSITY OF BERLIN | 4 |
| TECHNISCHE UNIVERSITAT WIEN | 4 |
| UNIVERSITY OF BARCELONA | 4 |
| UNIVERSITY OF CAMBRIDGE | 4 |
| COUNCIL FOREIGN RELAT | 3 |
| EUROPEAN UNIVERSITY INSTITUTE | 3 |
| RICE UNIVERSITY | 3 |