Colilla, R. A., and Sams, B. H., "Information Structures for Processing and Retrieving," pp11-16 (1962) |
[ACM] CACM 5(01) January 1962 (1962) [ACM] CACM 5(01) January 1962 "Design, Implementation
and Application of IR-Oriented Languages," ACM Computer Language Committee on Information Retrieval on 20-21 October 1961 in Princeton, N. J.
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