Search (2 results, page 1 of 1)

  • × author_ss:"Robertson, S.E."
  • × year_i:[1970 TO 1980}
  1. Robertson, S.E.: Indexing theory and retrieval effectiveness (1979) 0.05 
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    Source
    Drexel library quarterly. 14(1979), S.40-56
  2. Robertson, S.E.: ¬The probability ranking principle in IR (1977) 0.03 
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    Date
    15. 8.1998 20:39:56