Douglas H. Rothenberg An efficiency model and a performance function for an information retrieval system. [Citation Graph (0, 0)][DBLP] Information Storage and Retrieval, 1969, v:5, n:3, pp:109-122 [Journal]
Jan Helbich Direct selection of keywords for the KWIC index. [Citation Graph (0, 0)][DBLP] Information Storage and Retrieval, 1969, v:5, n:3, pp:123-128 [Journal]
A. Roger Meetham Communication theory and the evaluation of information retrieval systems. [Citation Graph (0, 0)][DBLP] Information Storage and Retrieval, 1969, v:5, n:3, pp:129-134 [Journal]
Vítczslav Maixner An elementary general syntax for retrieval languages. [Citation Graph (0, 0)][DBLP] Information Storage and Retrieval, 1969, v:5, n:3, pp:135-137 [Journal]
Vítczslav Maixner On some general methodological problems of retrieval languages. [Citation Graph (0, 0)][DBLP] Information Storage and Retrieval, 1969, v:5, n:3, pp:143-144 [Journal]
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