=='''4th joint SIG 3D and OGC workshop on the CityGML Utility Network ADE and <br/> 1st joint CityGML Energy ADE and CityGML Utility Network ADE workshop - Karlsruhe (Germany), 6-8 December 2017'''==
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<td valign="top" rowspan=2"><font size="5">'''4th joint SIG 3D and OGC workshop on the CityGML Utility Network ADE and 1st joint CityGML Energy ADE and CityGML Utility Network ADE workshop''' <br/> Karlsruhe (Germany), 6-8 December 2017</font></td>