P. D. Putwain
发表
A. L. Milligan,
P. D. Putwain,
Rob H. Marrs,
2003
.
P. D. Putwain,
John Cairns,
P. Putwain,
1981
.
D. Robertson,
P. D. Putwain,
Richard F. Pywell,
2000
.
P. D. Putwain,
P. Putwain,
R. Pywell,
2000
.
P. D. Putwain,
P. Putwain,
D. A. Gillham,
1990
.
P. D. Putwain,
A. M. Mortimer,
1984
.
P. D. Putwain,
P. Putwain,
L. Firbank,
1984
.
G. W. Cussans,
P. D. Putwain,
Roger D. Cousens,
1991
.
P. D. Putwain,
P. Putwain,
A. Mortimer,
1992
.