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  • × year_i:[1970 TO 1980}
  1. Aiyepekn, W.O.: ¬The Bradford distribution theory (1977) 8.66 
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  2. Brookes, B.C.: Theory of the Bradford law (1977) 8.66 
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  3. Bookstein, A.: ¬The bibliometric distributions (1976) 8.66 
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