1. Gephi: An open source so ware for exploring and manipulating networks;Bastian;International AAAI conference on weblogs and social media,2009
2. Academic tribes and territories: Intellectual enquiry and the culture of disciplines;Becher,1989
3. Academic tribes and territories: Intellectual enquiry and the culture of disciplines;Becher,2001
4. Clustering more than two million biomedical publications: Comparing the accuracies of nine text-based similarity approaches;Boyack;PLoS One,2011
5. Mapping the backbone of science;Boyack;Scientometrics,2005