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 |
|---|---|
| England | 26 |
| USA | 9 |
| Canada | 4 |
| Sweden | 4 |
| Denmark | 2 |
| Netherlands | 2 |
| Poland | 2 |
| Argentina | 1 |
| Australia | 1 |
| Austria | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| ATLAS COAL MINE NATL HIST SITE | 3 |
| NATURAL HISTORY MUSEUM LONDON | 3 |
| NEWCASTLE UNIVERSITY - UK | 3 |
| UNIVERSITY OF LEICESTER | 3 |
| HARVARD UNIVERSITY | 2 |
| SOUTH WEST HERITAGE TRUST | 2 |
| UNIVERSITY OF CAMBRIDGE | 2 |
| UNIVERSITY OF CENTRAL LANCASHIRE | 2 |
| UNIVERSITY OF EXETER | 2 |
| UNIVERSITY OF LONDON | 2 |