Finn Årup Nielsen auf Twitter: "Density in kilograms per cubicmeter for books https://t.co/meek2RJVNI with improved query courtesy @WikidataFacts. @MSanderhoff writes the most dense book: 1 ton per cubicmeter :)… https://t.co/nF4Oueg1oN"

https://twitter.com/fnielsen/status/979476436519129089

Keine Beschreibung vorhanden.