C. V. Rooyen
发表
M. Theron,
C. V. Rooyen,
L. H. lvanchev,
2007
.
C. V. Rooyen,
Pieterse,
M. J. Brink,
1967
.
M. Theron,
C. V. Rooyen,
L. H. lvanchev,
2008
.
M. Theron,
C. V. Rooyen,
H. Burger,
2010
.