1. (2023) http://www.shou.edu.cn.
2. On some properties of medians, percentiles, baselines, and thresholds in empirical bibliometric analysis
3. Garfield, E. (1965) Can Citation Indexing be Automated? In: Stevens, M., Ed., Statistical Association Methods for Mechanical Documentation, Symposium Proceedings, Vol. 269, 189-142.
4. Teufel, S. (1999) Argumentative Zoning: Information Extraction from Scientific Text. University of Edinburgh, Edinburgh.
5. (2023) http://www.stanford.edu.