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https://yuyencia.org/2017/12/07/%e5%85%b3%e4%ba%8e%e5%a5%91%e4%b8%b9%e8%be%bd%e6%9c%9d%e5%89%8d%e6%9c%9f%e7%a4%be%e4%bc%9a%e6%80%a7%e8%b4%a8%e9%97%ae%e9%a2%98%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%80%83/
关于契丹辽朝前期社会性质问题的基本思考