W. P. Judkins
发表
C. W. Ellenwood,
F. S. Howlett,
W. P. Judkins,
1953
.
W. P. Judkins,
1946
.
CORRELATION BETWEEN LEAF COLOR, LEAF NITROGEN CONTENT, AND GROWTH OF APPLE, PEACH, AND GRAPE PLANTS.
W. P. Judkins,
W P Judkins,
I W Wander,
1950,
Plant physiology.