Internet网上科技信息资源数据库的检索与实践

方曙,杨志萍

The Retrieval and Practice of Several Databases on Sci-Tech Information Resources on the Internet

Fang Shu,Yang Zhiping

现代图书情报技术 . 1998, (4): 15 -18 . DOI: 10.11925/infotech.1003-3513.1998.04.04