Thesis (Ph. D.)--Beijing da xue, 1991. / Includes bibliographical references.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/604199641 |
| Date | January 1900 |
| Creators | Sun, Shangyang, |
| Publisher | Taibei Shi : Wen jin chu ban she, |
| Source Sets | OCLC |
| Language | Chinese |
| Detected Language | English |
| Coverage | China |
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