G. M. Nijssen Two major flaws in the CODASYL DDL 1973 and Proposed Corrections. [Citation Graph (2, 0)][DBLP] Inf. Syst., 1975, v:1, n:4, pp:115-132 [Journal]
Miroslaw Dabrowski A General Model of Distribution of Objects in Information Retrieval Systems. [Citation Graph (0, 0)][DBLP] Inf. Syst., 1975, v:1, n:4, pp:147-151 [Journal]
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