J. Ojala
发表
R. B. Beverly,
J. Stark,
T. Embleton,
1984,
Journal of the American Society for Horticultural Science.
D. Westermann,
G. Kleinkopf,
J. Stark,
1993
.
R. Thornton,
D. Corsini,
J. Pavek,
1992,
American Potato Journal.
G. Kleinkopf,
J. Stark,
G. E. Kleinkopf,
2008,
American Potato Journal.
R. Thornton,
D. Corsini,
J. Pavek,
1991,
American Potato Journal.
W. Jarrell,
J. Menge,
E. Johnson,
1983
.
W. Jarrell,
J. Menge,
E. Johnson,
1982
.
W. Jarrell,
J. Ojala,
1980,
Plant and Soil.
J. Stark,
I. McCann,
J. Ojala,
1987,
Journal of the American Society for Horticultural Science.
W. Detar,
J. V. Penner,
J. Ojala,
2008
.