| All organizations |
107 |
135 |
133 |
135 |
155 |
665 |
| United States-University of Maine |
10 |
16 |
12 |
12 |
8 |
58 |
| Canada-University of Manitoba |
4 |
17 |
11 |
9 |
12 |
53 |
| Russian Federation-Russian Academy of Sciences |
8 |
6 |
9 |
13 |
17 |
53 |
| Austria-University of Vienna |
. |
1 |
17 |
16 |
15 |
49 |
| Germany-Ruhr-Universität Bochum |
11 |
8 |
14 |
3 |
4 |
40 |
| Italy-Sapienza University of Rome |
1 |
1 |
6 |
6 |
13 |
27 |
| Czech Republic-MASARYK UNIV |
. |
. |
5 |
6 |
13 |
24 |
| Germany-Heidelberg University |
. |
. |
6 |
10 |
7 |
23 |
| Italy-National Research Council |
1 |
11 |
9 |
1 |
1 |
23 |
| United States-Louisiana State University |
4 |
4 |
3 |
3 |
9 |
23 |
| United States-Miami University |
. |
2 |
15 |
5 |
1 |
23 |
| United Kingdom-University of Bristol |
1 |
7 |
1 |
8 |
5 |
22 |
| Sweden-Swedish Museum of Natural History |
. |
. |
2 |
8 |
11 |
21 |
| United States-United States Geological Survey |
6 |
9 |
. |
1 |
3 |
19 |
| United States-California Institute of Technology |
1 |
. |
4 |
4 |
9 |
18 |
| China-Nanjing University |
. |
2 |
6 |
4 |
4 |
16 |
| United States-MT HOLYOKE COLL |
. |
3 |
6 |
4 |
3 |
16 |
| Czech Republic-MORAVIAN MUSEUM |
. |
4 |
3 |
1 |
6 |
14 |
| Russian Federation-Lomonosov Moscow State University |
. |
1 |
3 |
5 |
5 |
14 |
| Canada-University of British Columbia |
. |
. |
. |
2 |
11 |
13 |
| Switzerland-University of Basel |
. |
4 |
4 |
2 |
3 |
13 |
| France-University Pierre and Marie Curie |
3 |
6 |
1 |
. |
1 |
11 |
| Germany-Technische Universität Berlin |
. |
2 |
5 |
2 |
2 |
11 |
| Spain-University of the Basque Country |
. |
4 |
3 |
3 |
1 |
11 |
| United States-University of New Mexico |
. |
4 |
5 |
2 |
. |
11 |
| Canada-CANADIAN MUSEUM NAT |
3 |
2 |
. |
2 |
3 |
10 |
| Italy-University of Pisa |
1 |
2 |
1 |
4 |
2 |
10 |
| Poland-AGH University of Science and Technology |
. |
. |
. |
3 |
7 |
10 |
| Russian Federation-Saint Petersburg State University |
. |
. |
. |
5 |
5 |
10 |
| Canada-McMaster University |
1 |
4 |
1 |
3 |
. |
9 |
| China-Chinese Academy of Sciences |
. |
. |
2 |
2 |
5 |
9 |
| Germany-GEOFORSCHUNGSZENTRUM POTSDAM |
. |
2 |
2 |
3 |
2 |
9 |
| Slovak Republic-Comenius University in Bratislava |
. |
1 |
1 |
1 |
6 |
9 |
| Spain-Universidad de Granada |
. |
1 |
3 |
3 |
2 |
9 |
| Australia-Australian National University |
. |
. |
4 |
4 |
. |
8 |
| Austria-NAT HIST MUSEUM |
. |
. |
2 |
3 |
3 |
8 |
| Turkey-Istanbul Technical University |
. |
2 |
1 |
3 |
2 |
8 |
| United States-University of Oklahoma |
. |
4 |
1 |
1 |
2 |
8 |
| Czech Republic-Palacky University |
. |
. |
. |
1 |
6 |
7 |
| Germany-Max Planck Inst |
. |
5 |
. |
1 |
1 |
7 |
| Netherlands-Utrecht University |
4 |
2 |
. |
1 |
. |
7 |
| United States-University of Vermont |
. |
. |
. |
2 |
5 |
7 |
| Canada-McGill University |
2 |
. |
. |
1 |
3 |
6 |
| Czech Republic-CZECH GEOL SURVEY |
. |
1 |
. |
1 |
4 |
6 |
| Germany-GFZ German Res Ctr Geosci |
. |
. |
. |
3 |
3 |
6 |
| Germany-UNIV BAYREUTH |
1 |
2 |
2 |
1 |
. |
6 |
| Sweden-Lund University |
3 |
1 |
. |
2 |
. |
6 |
| Turkey-SELCUK UNIV |
. |
1 |
2 |
1 |
2 |
6 |
| United States-University of New Orleans |
. |
1 |
. |
4 |
1 |
6 |
| USSR-Russian Academy of Sciences |
6 |
. |
. |
. |
. |
6 |
| Australia-Commonwealth Scientific and Industrial Research Organisation |
1 |
2 |
2 |
. |
. |
5 |
| Canada-GEOL SURVEY CANADA |
2 |
2 |
1 |
. |
. |
5 |
| France-French National Centre for Scientific Research |
1 |
3 |
1 |
. |
. |
5 |
| Germany-Johannes Gutenberg Univ Mainz |
1 |
1 |
. |
1 |
2 |
5 |
| Japan-Kyoto University |
. |
1 |
3 |
. |
1 |
5 |
| South Africa-RHODES UNIV |
1 |
1 |
1 |
2 |
. |
5 |
| South Africa-University of Cape Town |
4 |
1 |
. |
. |
. |
5 |
| Sweden-Uppsala University |
1 |
. |
1 |
. |
3 |
5 |
| United Kingdom-University of Leicester |
4 |
. |
1 |
. |
. |
5 |
| United States-Arizona State University |
3 |
1 |
1 |
. |
. |
5 |
| Austria-SALZBURG UNIV |
. |
1 |
. |
2 |
1 |
4 |
| Brazil-Universidade Federal de Minas Gerais |
. |
. |
3 |
. |
1 |
4 |
| Canada-ONTARIO GEOL SURVEY |
1 |
. |
2 |
1 |
. |
4 |
| France-ECOLE NORMALE SUPER |
. |
3 |
1 |
. |
. |
4 |
| Greece-Aristotle University of Thessaloniki |
2 |
2 |
. |
. |
. |
4 |
| India-NATL GEOPHYS RES INST |
. |
. |
2 |
2 |
. |
4 |
| Italy-Sapienza Univ Roma |
. |
. |
. |
. |
4 |
4 |
| Italy-UNIV TURIN |
. |
2 |
2 |
. |
. |
4 |
| Italy-University of Milan |
. |
2 |
. |
. |
2 |
4 |
| Italy-University of Padova |
1 |
. |
3 |
. |
. |
4 |
| Japan-Okayama University |
. |
. |
2 |
2 |
. |
4 |
| United States-Gemol Inst Amer |
. |
. |
. |
2 |
2 |
4 |
| United States-GIA |
. |
. |
. |
3 |
1 |
4 |
| United States-GIA Lab |
. |
. |
. |
4 |
. |
4 |
| United States-Harvard University |
. |
3 |
1 |
. |
. |
4 |
| United States-University of Michigan |
. |
3 |
1 |
. |
. |
4 |
| United States-University of South Carolina |
. |
2 |
2 |
. |
. |
4 |
| Australia-University of Melbourne |
1 |
2 |
. |
. |
. |
3 |
| Austria-GEOL BUNDESANSTALT |
. |
. |
. |
1 |
2 |
3 |
| Belgium-STATE UNIV GHENT |
. |
. |
3 |
. |
. |
3 |
| Brazil-Universidade de São Paulo |
. |
. |
1 |
1 |
1 |
3 |
| Bulgaria-BULGARIAN ACAD SCI |
1 |
2 |
. |
. |
. |
3 |
| Canada-Mineral Res & Consulting |
. |
. |
. |
. |
3 |
3 |
| China-CHINA UNIV GEOSCI |
. |
. |
. |
. |
3 |
3 |
| China-Jilin University |
1 |
1 |
1 |
. |
. |
3 |
| Czech Republic-Academy of Sciences of the Czech Republic |
. |
. |
. |
2 |
1 |
3 |
| France-ENS |
1 |
1 |
1 |
. |
. |
3 |
| France-UNIV TOULOUSE 3 |
. |
2 |
1 |
. |
. |
3 |
| France-UNIV VERSAILLES |
. |
3 |
. |
. |
. |
3 |
| Germany-Karlsruhe Institute of Technology |
. |
2 |
1 |
. |
. |
3 |
| Germany-Ludwig-Maximilians-Universität München |
. |
2 |
. |
1 |
. |
3 |
| Germany-University of Bonn |
. |
. |
1 |
2 |
. |
3 |
| Germany-University of Freiburg |
. |
. |
1 |
1 |
1 |
3 |
| India-ANDHRA UNIV |
. |
1 |
2 |
. |
. |
3 |
| India-Jadavpur Univ |
. |
. |
1 |
1 |
1 |
3 |
| Italy-UNIV BARI |
. |
. |
. |
2 |
1 |
3 |
| Japan-Chiba University |
1 |
1 |
1 |
. |
. |
3 |
| Japan-NATL INST POLAR RES |
1 |
1 |
1 |
. |
. |
3 |
| Norway-University of Oslo |
. |
3 |
. |
. |
. |
3 |
| Poland-STANISLAW STASZIC UNIV MIN & MET |
. |
1 |
2 |
. |
. |
3 |
| Portugal-University of Coimbra |
. |
1 |
. |
1 |
1 |
3 |
| Slovak Republic-Slovak Academy of Sciences |
. |
1 |
1 |
. |
1 |
3 |
| United Kingdom-NAT HIST MUSEUM |
. |
. |
1 |
1 |
1 |
3 |
| United Kingdom-OPEN UNIV |
. |
. |
2 |
1 |
. |
3 |
| United Kingdom-University of Edinburgh |
. |
. |
1 |
1 |
1 |
3 |
| United Kingdom-University of Exeter |
1 |
. |
. |
. |
2 |
3 |
| United Kingdom-University of Oxford |
. |
. |
1 |
. |
2 |
3 |
| United Kingdom-University of Southampton |
. |
. |
1 |
1 |
1 |
3 |
| United States-AEROSP CORP |
2 |
1 |
. |
. |
. |
3 |
| United States-AEROSPACE CORP |
3 |
. |
. |
. |
. |
3 |
| United States-HERCULES RES CTR |
. |
2 |
1 |
. |
. |
3 |
| United States-NATL MUSEUM NAT HIST |
. |
2 |
1 |
. |
. |
3 |
| United States-Rice University |
. |
1 |
2 |
. |
. |
3 |
| United States-Washington State University |
1 |
. |
1 |
1 |
. |
3 |
| United States-WOODS HOLE OCEANOG INST |
. |
. |
. |
. |
3 |
3 |