G. S. Shephard
发表
J. Frisvad,
R. Krska,
M. Sulyok,
2011,
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.
P. G. Thiel,
G. Shephard,
L. van der Westhuizen,
1996,
Journal of AOAC International.
I. Kanfer,
G. Shephard,
V. Sewram,
2005,
Journal of pharmaceutical and biomedical analysis.
G. Shephard,
L. van der Westhuizen,
L. Westhuizen,
1998,
Journal of chromatography. B, Biomedical sciences and applications.
W. Marasas,
W. Gelderblom,
P. G. Thiel,
1996,
Toxicon : official journal of the International Society on Toxinology.
L. van der Westhuizen,
J. Rheeder,
G. Shephard,
2016,
Food additives & contaminants. Part B, Surveillance.
C. Wild,
W. Gelderblom,
G. Shephard,
2010,
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment.
W. Marasas,
M. Wingfield,
G. Shephard,
2001,
Phytoparasitica.
N. Leggott,
D. V. Van Schalkwyk,
S. Stockenström,
2001,
Food additives and contaminants.