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Ludwigs trap (Dutch Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ludwigs trap" in Dutch language version.

refsWebsite
Global rank Dutch rank
1iucnredlist.org
88th place
20th place
1hathitrust.org
441st place
2,081st place
1hbw.com
3,128th place
1,450th place

hathitrust.org

babel.hathitrust.org

  • (de) Rüppel, E., 1837. Monographie der Gattung Otis Museum Schenckenbergianum 2: p.223, pl.14.

hbw.com

  • (en) del Hoyo, J., et al. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona (retrieved from https://www.hbw.com/node/53718 on 6 March 2020).

iucnredlist.org