Ernst Hartwig (Portuguese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ernst Hartwig" in Portuguese language version.

refsWebsite

Global rank Portuguese rank

167^th place

165^th place

1hathitrust.org

441^st place

2,031^st place

1books.google.com

3^rd place

6^th place

books.google.com

«Notes». The Journal of the British Astronomical Association (3): 143–144. 1903

hathitrust.org

babel.hathitrust.org

«Séance du 22 décembre». Le Moniteur Scientifique du Doctor Quesneville: 139. Fevereiro de 1903 ^{[ligação inativa]}

usgs.gov

planetarynames.wr.usgs.gov

"Lunar crater Hartwig". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
"Martian crater Hartwig". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.