John M. Walker
发表
John M. Walker,
1969
.
John M. Walker,
Gregory B. Goodrich,
2011
.
S. Schiffman,
P. Dalton,
John M. Walker,
2000,
Journal of agromedicine.
John M. Walker,
1965,
Plant and Soil.
John M. Walker,
1996
.
John M. Walker,
2015
.
S. A. Barber,
John M. Walker,
1960
.
S. A. Barber,
John M. Walker,
1962,
Plant and Soil.
John M. Walker,
1970
.
John M. Walker,
F. Gouin,
1977,
HortScience.
J. Lynch,
P. Templer,
John M. Walker,
2018,
Environmental science & technology.
S. A. Barber,
John M. Walker,
1961,
Science.