A fair use statement regarding the full text of the request

Your requested [贵州省东部南华纪锰矿地质特征及其成因初探] is currently limited to Institute of Geochemistry,Chinese Academy of Sciences internal sharing.

To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.