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Publisher
- escholarship, university of california42
- elsevier35
- united arab emirates, ministry of energy, petroleum and minerals sector, minerals department26
- ministere de l'energie et des mines, projet de gouvernance minerales (pgrm)23
- the university of arizona.14
- associacao geologica mineira de mocambique12
- crc press12
- online library of liberty12
- geological society of africa10