R. Soppe
发表
J. Ayars,
T. Skaggs,
T. Kelleners,
2004
.
James E. Ayars,
Dennis L. Corwin,
Peter J. Shouse,
2003
.
James E. Ayars,
Todd H. Skaggs,
R.W.O. Soppe,
2005
.
J. Ayars,
D. Corwin,
S. Lesch,
2004
.
J. Ayars,
T. Skaggs,
T. Kelleners,
2004
.
J. Ayars,
R. Hutmacher,
R. Soppe,
1999
.
J. Ayars,
T. Skaggs,
P. Shouse,
2006
.
J. E. Ayars,
E. W. Christen,
J. Ayars,
2006,
Irrigation Science.
James E. Ayars,
R.W.O. Soppe,
J. Ayars,
2003
.
Wim G.M. Bastiaanssen,
Richard G. Allen,
R.W.O. Soppe,
2008
.
W. Bastiaanssen,
B. Thoreson,
A. Keller,
2009
.
James E. Ayars,
Todd H. Skaggs,
Peter J. Shouse,
2010
.