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Canvis

m
neteja d'infotaules de llibres i altres canvis menors
*Breidbach, Olaf. ''Visions of Nature: The Art and Science of Ernst Haeckel''. Prestel Verlag: Munich, 2006.
 
== Enllaços externs ==
{{Projectes germans|commons=Kunstformen der Natur|Kunstformen der Natur (les 100 impressions)}}
* [http://www.mblwhoilibrary.org/haeckel/index.html Marine Biological Laboratory Library] - An exhibition of material on Haeckel, including background on many ''Kunsformen der Natur'' plates.
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