Sighting
Appearances of crop circles.
Sources
MAGAZINE_JOURNAL |
Nature (United Kingdom)
1880-07-29, 22, 290-291 (29 July 1880) doi:10.1038/022290d0 (Letter) [www.kornkreise-forschung.de; Marcel Richter in de.alt.ufo]
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Attachments
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Nature 22, 290-291 (29 July 1880)
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