| iso3166a2:UA |
MT |
Ukraine. |
| iso3166a2:UG |
MT |
Uganda. |
| iso3166a2:UM |
MT |
United States Minor Outlying Islands. |
| Undefined |
MT |
A Creation with a relationship with another Creation which is unknown or not covered
by the available options.
|
| UPC |
MT |
A Universal Product Code, a 12-digit identifier for products. |
| doi:uri |
MT |
A complex element describing an URI used to identify a creation. |
| URI |
MT |
A Uniform Resource Identifier, an identifier for WebResources as defined in IETF's
RFC 3986.
|
| URN |
MT |
A Uniform Resource Name, an identifier for WebResources as defined in IETF's RFC 2141. |
| iso3166a2:US |
MT |
The United States. |
| USSR |
MT |
USSR.USSR. |
| UUID |
MT |
A Universally Unique Identifier, an identifier with 32 hexadecimal digits for [Resources]
described in ITU-T Rec. X.667 and IETF RFC 4122.
|
| iso3166a2:UY |
MT |
Uruguay. |
| iso3166a2:UZ |
MT |
Uzbekistan. |