"Documentation." . . "Dokumentation." . . "Documentación." . . "Recuperació de la informació" . . "Systèmes d'information." . . "Kostenberechnung." . . "Recuperación de la información." . . "Documentació" . . "Information." . . "Kent, A." . . "Dokumentacja modele matematyczne." . . . . . . "Documentation and information retrieval : an introd. to basic principles and cost analysis"@en . . . . . . . . . . . . . . . . . . "Documentation and information retrieval an introduction to basic principles and cost analysis"@en . "Documentation and information retrieval an introduction to basic principles and cost analysis" . . "Documentation and information retrieval" . "Documentation and information retrieval : an introduction to basic principles and cost analysis" . "Documentation and information retrieval : an introduction to basic principles and cost analysis"@en . "Documentation and information retrieval : an introduction to basic principles and cost analysis"@ca . . . . . . . . "Documentation and information retrieval : an introduction to basic principles and coast analysis" . . . . . . "Documentation and information retrieval; an introduction to basic principles and cost analysis" . . . . . . . . "A mathematical model system; Selectivity criteria for systems evaluation; Analysis of cost factors; Correlation of methods and systems." . . . "Wyszukiwanie informacji modele matematyczne." . .