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Dorothee Rätsch (also
spelled Raetsch; born 1940 in Heilsberg,
today Lidzbark Warmiński, Poland) is a
German sculptor and
graphic artist, the daughter...
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Kieckhefer 2011, p. 152.
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Archived from the
original on 8 May 2019.
Retrieved 8 July 2017.
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encyclopedia of
psychoactive plants: ethnopharmacology...
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Archived (PDF) from the
original on 7
October 2016.
Raetsch C (2005). The
encyclopedia of
psychoactive plants:
ethnopharmacology and...
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Unsupervised learning. In O. Bousquet, G.
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