R. Butters
发表
Carlos J. Asarta,
R. Butters,
E. Thompson,
2013,
Journal of Agricultural and Applied Economics.
Carlos J. Asarta,
R. Butters,
A. Perumal,
2013
.
Carlos J. Asarta,
R. Butters,
E. Thompson,
2013
.
Carlos J. Asarta,
R. Butters,
2011
.
Craig A. Depken,
C. Depken,
R. Butters,
2006
.
R. Butters,
J. Hamilton,
E. Gilbertson,
1961
.
R. Butters,
Ken Rebeck,
W. Walstad,
2013
.
Carlos J. Asarta,
R. Butters,
T. Fischer,
2011
.
Carlos J. Asarta,
R. Butters,
Shannon G. McCoy,
2012
.
R. Butters,
2011
.
E. C. Thompson,
R. Butters,
Ben Schmitz,
2012
.
Carlos J. Asarta,
R. Butters,
2012
.