descriptopm

"wikidata"=>"Q1843392"

"operator"=>"Technische Universiteit Delft","operator:wikidata"=>"Q752663"

"source:date"=>"2013-11-26"

"check_date"=>"2023-09-22","source:date"=>"2017-12-08"

"email"=>"info@kadmium.nl"