J. Burchfield
发表
J. W. Thomas,
J. Burchfield,
2000
.
D. Calkin,
T. Venn,
Keith D. Stockmann,
2010
.
J. Tyson,
R. Uauy,
C. Mize,
1992,
Pediatrics.
A. Watson,
N. Christensen,
J. Burchfield,
2007
.
D. Mattson,
J. Graham,
J. Belsky,
2005
.
Bo Wilmer,
Gregory H. Aplet,
G. Aplet,
2010,
Journal of Forestry.
Lorie Higgins,
Matthew S. Carroll,
Patricia J. Cohn,
2006
.
Daniel R. Williams,
S. Mccool,
M. Carroll,
2006,
Environmental management.
W. Freimund,
J. Burchfield,
S. McCool,
2000
.