Pe Cowan
发表
D. Blackmore,
Pe Cowan,
R. Marshall,
1991
.
P. O'Toole,
N. Forester,
K. Parton,
2003,
New Zealand veterinary journal.
Pe Cowan,
P. Cowan,
1989
.
P. Caley,
J. Hone,
Pe Cowan,
2001,
New Zealand veterinary journal.
Pe Cowan,
A. White,
P. Cowan,
1989
.