D

• DAFO
  

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• DART-Europe
  

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• datos.bne.es
  

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• DBLP Computer Science Bibliography
  

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• DDA : Demand Driven Adquisition – Véase PDA : Patron Driven Acquisition
  

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• Derwent Innovations Index
  

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• Dialnet
  

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• Digibug
  

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• DigiTool
  

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• DILVE : Distribuidor de información del libro español en venta
  

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• DLF : Digital Library Federation
  

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• DOAJ : Directory of Open Access Journals
  

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• Doble pago (double dipping)
  

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• Documat
  

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• DOI : Digital Object Identifier
  

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• DROID – Digital Record Object Identification
  

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• DSI – Difusión Selectiva de la Información
  

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• Dublin Core
  

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• DULCINEA
  

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• Dumio