作 者: ;
机构地区: 华南理工大学图书馆
出 处: 《图书馆论坛》 2004年第2期138-140,共3页
摘 要: 研究参考咨询服务在美国的发展轨迹。研究其起源、发展变化和数字参考服务兴起的历程 。 This article discusses the development track of reference services in American. Its origin, changes and digitalization have been studied in detail. The trends have also been explored in reference services.