Using the statistics method, 1 550 references of 304 papers were studied in? Journal of Tianjin Agricultural College? from 1997 to 2001, and thus the amount, type of literature, language, age distribution and so on of the references are analyzed.

• 运用统计分析方法,以1997-2001年 天津农学院学报 刊载的304篇论文的1550篇参考文献为研究对象,从引文数量、引文的文献类型、语种、年代分布等方面进行分析。