A fair use statement regarding the full text of the request

Your requested [“云南第一天文点”与清康熙年间的全国大地测量] is currently limited to Yunnan Observatories, 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.


You agree and are willing to abide by the above requirements.