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  • × author_ss:"Raan, A.F.J. van"
  1. Raan, A.F.J. van: ¬The influence of international collaboration on the impact of research results (1998) 6.04 
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  2. Raan, A.F.J. van: Self-citation as an impact-reinforcing mechanism in the science system (2008) 6.04 
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