Author: | Sun Yuanhua |
Title: | Xi fa shen ji |
Year: | 1902 |
Document ID: | MPIWG:PP2B5D16 |
Permanent URL: | http://echo.mpiwg-berlin.mpg.de/MPIWG:PP2B5D16 |
Copyright: | Max Planck Institute for the History of Science (unless stated otherwise) |
License: | CC-BY-SA (unless stated otherwise) |