literature citation
1.A Citation Analysis of Botanical Research Literature—A talk About the Information Sources of Botany Subject As Well
2.Impact Factor has been receiving much attention in our country as a parameter of literature statistics recent years. In network,however,there are two kinds of the impact factors that may be searched for. One is the impact factor of Journal Citation Reports(JCR) given by Information of Science Institute,USA.
3.Based on the analysis of the statistic dada of the citations published in forestry sci-tech journals in 1998 2002,this paper sums up the regularity of citation rate,citation type,citing language,publishing house,update period,and provides reference for the research of forestry scientific literature and the development of library.
4.The rank system of Google considers both count-weight,type weight,prox-weight,and PageRank which weight the importance of a page. Applied Academic citation literature to the Web,a page can have a high PageRank if there are many pages that point to it,or if there are some pages that point to it and have a high PageRank.

