Finn Årup Nielsen auf Twitter: "Books by weight https://t.co/bxtIgYbk44 #Wikidata Now with corrected query and a new record by @mikkelwallentin: 73 gram (lightweight research from Aarhus University)… https://t.co/dHdlWNCGDY"

https://twitter.com/fnielsen/status/979296621954584577

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