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  • × theme_ss:"Informetrie"
  • × author_ss:"Allen, B."
  • × type_ss:"a"
  • × language_ss:"e"
  • × year_i:[1990 TO 2000}
  1. Qin, J.; Lancaster, F.W.; Allen, B.: Types and levels of collaboration in interdisciplinary research in the sciences (1997) 1.00 
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