| Identifiers |
|
|
|
|
|
|
|
|
|
|
| n | Identifiers |
||||||||
| ¡ | Properties:
persistent, unique, fast |
||||||||
| resolution,
decentralized |
|||||||||
| ¡ | Two systems:
PURL, DOI |
||||||||
| n | OpenURL – solve
appropriate copy |
||||||||
| problem |
|||||||||
