1974

doi dblp
Representation of concept relations using the TOSAR system of the IDC: Treatise III on information retrieval theory
Robert Fugmann | Herbert Nickelsen | Ingeborg Nickelsen | Jakob Hermann Winter
1974 Volume 25 Issue 5

1973

doi dblp
Mathematische analyse des TOSAR-Verfahrens
Ingeborg Nickelsen | Herbert Nickelsen
1973 Volume 9 Issue 2

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