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  • × author_ss:"Zhou, Q."
  • × author_ss:"Leydesdorff, L."
  • × year_i:[2010 TO 2020}
  1. Zhou, Q.; Leydesdorff, L.: ¬The normalization of occurrence and co-occurrence matrices in bibliometrics using Cosine similarities and Ochiai coefficients (2016) 1.00 
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