Song Dynasty's Frontier Policy and Facility against Liao Dynasty
博士 === 中國文化大學 === 史學系 === 101 === Northern Song Dynasty undertaken military geography is the loss of the natural terrain defense, so the strategic geography of Liaoning is rendered relatively weak, with only the dangers that can pass, so the lack of dependable natural barrier under the defense can o...
| Main Authors: | , |
|---|---|
| Other Authors: | |
| Format: | Others |
| Language: | zh-TW |
| Published: |
2013
|
| Online Access: | http://ndltd.ncl.edu.tw/handle/45137894745223678002 |