- Boltrik, Yu; Chugunov, K.A.; Cook, G.; Dergachev, V.A.; Kovalyukh, N.;
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Archived 19 June 2006 at the
Wayback Machine El-Seedi HR, De Smet PA, Beck O,
Possnert G,
Bruhn JG (2005). "Prehistoric
peyote use:
alkaloid analysis and radiocarbon...
- doi:10.1007/bf02907956. S2CID 41659698. El-Seedi HR, De Smet PA, Beck O,
Possnert G,
Bruhn JG (October 2005). "Prehistoric
peyote use:
alkaloid analysis...
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retrieved 2012-03-16 Seedi, H.R.; De Smet, P.A.; Beck, O.;
Possnert, G. & Bruhn, J.G. (2005), "Prehistoric
peyote use:
alkaloid analysis and...
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- Lister, 2007. pp. 174–175 Vartanyan, S. L.; Arslanov, K. A.; Karhu, J. A.;
Possnert, G. R.; Sulerzhitsky, L. D. (2008). "Collection of
radiocarbon dates on...
- 1556/2054.2019.008. S2CID 135116632. El-Seedi HR, De Smet PA, Beck O,
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Nature 425(6955): pp.294-296 Mörner, Nils-Axel; Tooley, Michael; and
Possnert, Göran (2004) "New
perspectives for the ****ure of the Maldives" Global...
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Hesham R.; Smet,
Peter A. G. M. De; Beck, Olof;
Possnert, Göran; Bruhn, Jan G. (2005-10-03). "Prehistoric
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