Zhuan li shuo mi ng shu zhuan xie ji yue du =bDrafting and reading of patent specification /cYun Yiqun bian zhuYiqun Yun · First published 2007Open the Tome
恽逸群文集恽逸群, Jiangsu Sheng she hui ke xue yuan. "Yun Yiqun wen ji" bian xuan zu · First published 1986Open the Tome
