Neimenggu Erlian pen di bai e ji jie xing lei he bao fen hua shiYunxian Gou, Zhichen Song, Zhongguo ke xue yuan. Nanjing di zhi gu sheng wu yan jiu suo, Shi you gong ye bu Hua bei shi you guan li ju di 1 kan tan gong si · First published 1986Open the Tome