Heli (Estonian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Heli" in Estonian language version.

Last modified: 11:02:38, 15 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank Estonian rank

194^th place

96^th place

9,117^th place

low place

1,595^th place

802^nd place

phys.org (Global: 1,595^th place; Estonian: 802^nd place)

Bob Yirka. Researchers build acoustic tractor beam, phys.org, 6.5.2014.

popmech.ru (Global: 9,117^th place; Estonian: low place)

Акустический «силовой луч» притягивает предметы на расстоянии, popmech.ru, 8.5.2014.

stanford.edu (Global: 194^th place; Estonian: 96^th place)

plato.stanford.edu

Roberto Casati, Jerome Dokic, Elvira Di Bona. Sounds, Stanfordi filosoofiaentsüklopeedia, 2020.