@article{article, title = {{}}, publisher = {{Springer Science and Business Media LLC}}, url = {{http://dx.doi.org/10.1023/a:1024189702463 }}, year = {{2003}}, month = {{1}}, author = {{Li X}}, doi = {{10.1023/a:1024189702463}}, volume = {{57}}, journal = {{Scientometrics}}, issue = {{2}}, pages = {{239-255}}, note = {{Accessed on 2024/12/28}}}