B. Szabo, A. Lakatos, T. Koszegi, G. Katay, L. Botz, J. AOAC Int. 88 (2005) 1571–1577.
Botz L. , '' (2005 ) 88 J. AOAC Int. : 1571 -1577 .
R.B Sashidhar, R.V. Sudershan, V.R. Bhat, J. Am. Oil Chem. Soc. 67 (1990) 338–339.
Bhat V.R. , '' (1990 ) 67 J. Am. Oil Chem. Soc. : 338 -339 .
W. Golkiewicz, A. Blazewicz, G. Jozwiak, J. Planar Chromatogr. 14 (2001) 95–99.
Jozwiak G. , '' (2001 ) 14 J. Planar Chromatogr. : 95 -99 .
M.F. Roberts, in: M.F. Roberts, M. Wink (eds.) Alkaloids: Biochemistry, Ecology and Medicinal Applications, Plenum Press, New York, 1998.
Roberts M.F. , '', in Alkaloids: Biochemistry, Ecology and Medicinal Applications , (1998 ) -.
I.A. Israilov, M.S. Yunusov, Chem. Nat. Comd. 22 (1986) 189–192.
Yunusov M.S. , '' (1986 ) 22 Chem. Nat. Comd. : 189 -192 .
B. Baerheim Svendsen, R. Verpoorte, Chromatography of Alkaloids, Part A: Thin Layer Chromatography, Elsevier, Amsterdam, 1983.
Verpoorte R. , '', in Chromatography of Alkaloids, Part A: Thin Layer Chromatography , (1983 ) -.
P. Feng, C.Z. Huang, Y.F. Li, Anal Bioanal. Chem. 376 (2003) 868–872.
Li Y.F. , '' (2003 ) 376 Anal Bioanal. Chem. : 868 -872 .