1990年6月27日至29日,宁夏钱币学会在银川召开第二次学术讨论会。自治区有关方面负责人程法光、樊脯生、李连、叶勃、陈育林等出席会议。中国钱币学会秘书长戴志强,钱币学家卫月望也应邀出席,并作了学术报告。到会代表84人,收到论文和专题文章42篇。会议着重就钱币基础理论、西夏钱币和丝路货币等进行了研讨。讨论之前,杨学廉秘书长向大会作了工作汇报。 From June 27 to June 29, 1990, the Ningxia Numismatic Society held its second symposium in Yinchuan. Officials from the autonomous region such as Cheng Faguang, Fan Jiansheng, Li Lian, Ye Bo and Chen Yulin attended the meeting. Dai Zhiqiang, secretary general of China Numismatic Institute, and Nummond Wang, a coin scientist, were also invited to attend and gave academic reports. To represent the 84 people, received papers and feature articles 42. The meeting focused on the basic theory of coins, Xixia coins and silk currency, etc. were discussed. Prior to the discussion, Secretary-General Yang Xuelian made a working report to the General Assembly.