R. Unwin
发表
M. Shepherd,
R. Unwin,
B. Bell,
1995
.
S. Cuttle,
M. Shepherd,
B. Pearce,
2006
.
R. Unwin,
H. V. D. Meer,
G. C. Ennik,
2011,
Developments in Plant and Soil Sciences.
R. Unwin,
B. Pain,
W. N. Whinham,
1986
.
R. Unwin,
C. G. Chumbley,
1982
.
K. A. Smith,
R. Unwin,
1995
.
S. Cuttle,
M. Shepherd,
B. Pearce,
2003
.
R. Unwin,
S. Lewis,
1986
.
P. Withers,
R. Unwin,
J. Grylls,
1994
.
T. Garwood,
B. Chambers,
R. Unwin,
2000
.
R. Unwin,
J. Webb,
Neville Whinham,
1990
.
R. Unwin,
1981
.
B. J. Chambers,
J. Williams,
B. Chambers,
1999
.
R. Unwin,
V. Nielsen,
J. Mcallister,
1977
.
R. Unwin,
A. Smith,
H. Browning,
1990
.
M. C. Richards,
R. Unwin,
V. Heppel,
1990
.
R. Unwin,
1990
.
R. Unwin,
I. Hodgson,
G. Bailey,
1995
.