Gunnbjörn Ulfsson (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Gunnbjörn Ulfsson" in English language version.

refsWebsite

Global rank English rank

1historyofnothing.wordpress.com

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low place

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1books.google.com

3^rd place

3^rd place

books.google.com

Seaver, Kirsten A. (2014-11-30). The Last Vikings: The Epic Story of the Great Norse Voyagers. Bloomsbury Academic. pp. 16–17. ISBN 9781784530570.

doi.org

Lehn, Waldemar (Jul 2000). "Skerrylike mirages and the discovery of greenland". Applied Optics. 39 (21): 3612–9. Bibcode:2000ApOpt..39.3612L. doi:10.1364/ao.39.003612. PMID 18349932.

harvard.edu

ui.adsabs.harvard.edu

Lehn, Waldemar (Jul 2000). "Skerrylike mirages and the discovery of greenland". Applied Optics. 39 (21): 3612–9. Bibcode:2000ApOpt..39.3612L. doi:10.1364/ao.39.003612. PMID 18349932.

historyofnothing.wordpress.com

"Greenland's Lost Islands". The History of Nothing. September 22, 2013. Retrieved January 20, 2016.

nih.gov

pubmed.ncbi.nlm.nih.gov

Lehn, Waldemar (Jul 2000). "Skerrylike mirages and the discovery of greenland". Applied Optics. 39 (21): 3612–9. Bibcode:2000ApOpt..39.3612L. doi:10.1364/ao.39.003612. PMID 18349932.

uvic.ca

web.uvic.ca

"Gunnbjörn Ulf-Krakuson & Greenland". University of Victoria, Medieval Mapping Project. 31 January 2012. Retrieved January 20, 2016.