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  • × classification_ss:"AK 39900 Allgemeines / Wissenschaftskunde und Wissenschaftsorganisation / Technik der wissenschaftlichen Arbeit / Hilfsmittel zur wissenschaftlichen Arbeit"
  • × year_i:[1970 TO 1980}
  1. Garfield, E.: Citation indexing : its theory and application in science, technology, and humanities (1979) 0.02 
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    Date
    29. 5.2007 12:50:08
    Type
    m