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  • × author_ss:"Stevens, N.D."
  • × type_ss:"m"
  • × year_i:[1960 TO 1970}
  1. Stevens, N.D.: ¬A comparative study of three systems of information retrieval (1961) 0.00 
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    Footnote
    Rez. in: College and research libraries 24(1963) no.2, S.169-170 (R.H. Parker)
    Pages
    149 S