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1.5
date	2007.01.09.00.00.00;	author MoinMoin;	state Exp;
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1.4
date	2007.01.09.00.00.00;	author MoinMoin;	state Exp;
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1.3
date	2007.01.09.00.00.00;	author MoinMoin;	state Exp;
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1.2
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1.1
date	2007.01.09.00.00.00;	author MoinMoin;	state Exp;
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desc
@Initial revision
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1.5
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@Revision 5
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text
@---+++ AbcdConcept0137

---+++++ Identifier

<verbatim>DataSets/DataSet/Units/Unit/UnitGUID</verbatim>



---+++++ Group

Meta

---+++++ Subgroup


---+++++ Full Name

Unit record GUID

---+++++ Documentation

A globally unique identifier for the unit or the unit record.

---+++++ Content

A globally unique identifier for the unit record. Following DwC, in the absence of a persistent global unique identifier, this should be constructed in the form URN:catalog:[SourceInstitutionID]:[SourceID]:[UnitID]".

---++++ Recommended or Prescribed Values


---+++++ Example Value
URN:catalog:B:10:0012012

---+++++ Example Explanation
Sheet number 0012013 in collection 20 (pteridophytes) of the herbarium at the BGBM Berlin-Dahlem (Index Herbariorum Standard Code "B").

---+++++ Reviewer
W. Berendsohn 6 Sept 2005

---++++ Editorial Notes
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1.4
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@Revision 4
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@d26 1
a26 1
A globally unique identifier for the unit record. Following DwC, in the absence of a persistent global unique identifier, this should be constructed in the form URN:catalog:[InstitutionCode]:[CollectionCode]:[CatalogNumber]".
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1.3
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@Revision 3
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@d32 1
a32 1

d35 1
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1.2
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@Revision 2
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@d26 1
a26 1
A globally unique identifier for the unit or the unit record. The exact format and/or semantics are still under discussion.
d38 1
a38 1

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1.1
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@Initial revision
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@a0 1

d11 1
d18 1
d22 1
d26 1
a40 2


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