Erik A. Backlund
发表
W. Hammitt,
R. Bixler,
Erik A. Backlund,
2006
.
Zvi Schwartz,
Z. Schwartz,
Erik A. Backlund,
2012
.
W. Hammitt,
R. Bixler,
Erik A. Backlund,
2005
.
C. McDonald,
Erik A. Backlund,
W. Stewart,
2004,
Environmental management.
Daniel R. Williams,
Erik A. Backlund,
2004
.
Erik A. Backlund,
2006
.
W. Hammitt,
R. Bixler,
Erik A. Backlund,
2006
.
W. Hammitt,
R. Bixler,
Erik A. Backlund,
2004
.
Erik A. Backlund,
Nathan A. Schaumleffel,
2009
.
Erik A. Backlund,
W. Kuentzel,
2013
.
Erik A. Backlund,
W. Stewart,
2012
.
W. Hammitt,
R. Bixler,
Erik A. Backlund,
2004
.