Helge Ingstad (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Helge Ingstad" in Polish language version.

refsWebsite

Global rank Polish rank

1britannica.com

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83^rd place

britannica.com

Helge Ingstad. britannica.com. [dostęp 2015-07-04]. (ang.).

nasa.gov

ssd.jpl.nasa.gov

(8993) Ingstad (1980 UL) w bazie Jet Propulsion Laboratory (ang.)