H. Heyns
发表
H. Heyns,
1971,
The Journal of Agricultural Science.
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1959
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F. Swanepoel,
H. Heyns,
1986
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F. Swanepoel,
H. Venter,
H. Heyns,
1986
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F. Swanepoel,
H. Heyns,
1987
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H. Heyns,
1971,
The Journal of Agricultural Science.