Periodicals are very important documentary resources in the library of colleges, so the work of periodical index is an important part of information index service in the library of colleges.
期刊是高校图书馆重要的文献资源，期刊文献信息检索工作是高校图书馆信息检索服务的重要内容。
2
This paper introduced SCI (Science Citation Index)and its source Periodicals of agronomy and some points for attention of submitting papers and searching.