山东省高等学校图书情报工作委员会与济南市图书馆学会邀聘中图法第三版编委,武汉大学图书情报学院俞君立先生,于六月二十日至一二十三日在青岛沙子口海军基地举办图书分类疑难问题研习班。来自全省各 Library and Information Service Committee of Shandong Province and Jinan City Library Association invites the third edition of China Library Classification Editorial Board, College of Library and Information Science of Wuhan University Mr. Yu Junli, from June 20 to January 23 in Qingdao Shazikou navy Base class book classification difficult class seminar. From all over the province