4Chen Chaomei. Searching for intellectual turning points: Progres- sive Knowledge Domain Visualization [ J ]. Proceedings of the National Academy of Sciences of the United States of America ( PNAS ) ,2004,101 ( Suppl. 1 ) :5303-5310.
5Marques J A, Jo M, V. Stillion of Creativity and Innovation in a Small Multidiscip NPD Team [ DB/OL ]. [ 2013 -04-27 ]. http ://www. ettao, ua. pt/Papers/Stim- ulation% 20of% 20cre:ivity% 20a:% 20innovation% 20in% 20small% 20multidie, cilNinary% 20: 20Team% 20Alves, % 20Marques, % 20Vista'. pdf.
6B6mer K, Dall'Asta L, Ke W, Veslignani A. Studying the e- merging global brain : Analyz, ing lind vimalizing the impact of co -authorship teams[J]. Complxity ,200'5,10(4) :58 - 67.
7I Krackhardt. Organizational Viscosity and the Diffusion of Contro- versial Innovations [ J ]. Journal of Mathematical Sociology, 1997,22(2) :177-199.
