James H. Hilker
发表
James H. Hilker,
2003
.
James H. Hilker,
2005
.
James H. Hilker,
S. B. Nott,
G. Schwab,
1990
.
James H. Hilker,
J. Black,
K. Raper,
2008
.
James H. Hilker,
S. B. Nott,
G. Schwab,
1989
.
James H. Hilker,
Jim Hilker,
2015
.
James H. Hilker,
R. Myers,
S. Hanson,
1999,
Journal of Agricultural and Applied Economics.