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sciencedirect.com
Prehistoric peyote use: Alkaloid analysis and radiocarbon dating of archaeological specimens of Lophophora from Texas. In: Journal of Ethnopharmacology. Band101, Nr.1-3, 3. Oktober 2005, ISSN0378-8741, S.238–242, doi:10.1016/j.jep.2005.04.022 (sciencedirect.com [abgerufen am 20. Juli 2021]).
zdb-katalog.de
Prehistoric peyote use: Alkaloid analysis and radiocarbon dating of archaeological specimens of Lophophora from Texas. In: Journal of Ethnopharmacology. Band101, Nr.1-3, 3. Oktober 2005, ISSN0378-8741, S.238–242, doi:10.1016/j.jep.2005.04.022 (sciencedirect.com [abgerufen am 20. Juli 2021]).