Johan Backlund (Estonian Wikipedia)

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

refsWebsite

Global rank Estonian rank

644^th place

338^th place

1springerreference.com

low place

5,868^th place

runeberg.org

Backlund, Johan Oskar Rootsi entsüklopeedias Nordisk familjebok (1904)
Backlund, Johan Oskar Svenskt biografiskt handlexikon

springerreference.com

Backlund, Jöns Oskar Hockey, Thomas (2009). The Biographical Encyclopedia of Astronomers